1 /*- 2 * SPDX-License-Identifier: BSD-3-Clause 3 * 4 * Copyright (c) 2001-2008, by Cisco Systems, Inc. All rights reserved. 5 * Copyright (c) 2008-2012, by Randall Stewart. All rights reserved. 6 * Copyright (c) 2008-2012, by Michael Tuexen. All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions are met: 10 * 11 * a) Redistributions of source code must retain the above copyright notice, 12 * this list of conditions and the following disclaimer. 13 * 14 * b) Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in 16 * the documentation and/or other materials provided with the distribution. 17 * 18 * c) Neither the name of Cisco Systems, Inc. nor the names of its 19 * contributors may be used to endorse or promote products derived 20 * from this software without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 23 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 24 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 26 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 27 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 28 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 29 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 30 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 31 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 32 * THE POSSIBILITY OF SUCH DAMAGE. 33 */ 34 35 #include <sys/cdefs.h> 36 __FBSDID("$FreeBSD$"); 37 38 #include <netinet/sctp_os.h> 39 #include <sys/proc.h> 40 #include <netinet/sctp_pcb.h> 41 #include <netinet/sctp_header.h> 42 #include <netinet/sctp_var.h> 43 #ifdef INET6 44 #include <netinet6/sctp6_var.h> 45 #endif 46 #include <netinet/sctp_sysctl.h> 47 #include <netinet/sctp_output.h> 48 #include <netinet/sctp_uio.h> 49 #include <netinet/sctp_asconf.h> 50 #include <netinet/sctputil.h> 51 #include <netinet/sctp_indata.h> 52 #include <netinet/sctp_timer.h> 53 #include <netinet/sctp_auth.h> 54 #include <netinet/sctp_bsd_addr.h> 55 #include <netinet/udp.h> 56 #include <sys/eventhandler.h> 57 58 extern const struct sctp_cc_functions sctp_cc_functions[]; 59 extern const struct sctp_ss_functions sctp_ss_functions[]; 60 61 static void 62 sctp_init(void *arg SCTP_UNUSED) 63 { 64 u_long sb_max_adj; 65 66 /* Initialize and modify the sysctled variables */ 67 sctp_init_sysctls(); 68 if ((nmbclusters / 8) > SCTP_ASOC_MAX_CHUNKS_ON_QUEUE) 69 SCTP_BASE_SYSCTL(sctp_max_chunks_on_queue) = (nmbclusters / 8); 70 /* 71 * Allow a user to take no more than 1/2 the number of clusters or 72 * the SB_MAX, whichever is smaller, for the send window. 73 */ 74 sb_max_adj = (u_long)((u_quad_t)(SB_MAX) * MCLBYTES / (MSIZE + MCLBYTES)); 75 SCTP_BASE_SYSCTL(sctp_sendspace) = min(sb_max_adj, 76 (((uint32_t)nmbclusters / 2) * MCLBYTES)); 77 /* 78 * Now for the recv window, should we take the same amount? or 79 * should I do 1/2 the SB_MAX instead in the SB_MAX min above. For 80 * now I will just copy. 81 */ 82 SCTP_BASE_SYSCTL(sctp_recvspace) = SCTP_BASE_SYSCTL(sctp_sendspace); 83 SCTP_BASE_VAR(first_time) = 0; 84 SCTP_BASE_VAR(sctp_pcb_initialized) = 0; 85 sctp_pcb_init(); 86 #if defined(SCTP_PACKET_LOGGING) 87 SCTP_BASE_VAR(packet_log_writers) = 0; 88 SCTP_BASE_VAR(packet_log_end) = 0; 89 memset(&SCTP_BASE_VAR(packet_log_buffer), 0, SCTP_PACKET_LOG_SIZE); 90 #endif 91 SCTP_BASE_VAR(eh_tag) = EVENTHANDLER_REGISTER(rt_addrmsg, 92 sctp_addr_change_event_handler, NULL, EVENTHANDLER_PRI_FIRST); 93 } 94 95 VNET_SYSINIT(sctp_init, SI_SUB_PROTO_DOMAIN, SI_ORDER_THIRD, sctp_init, NULL); 96 97 #ifdef VIMAGE 98 static void 99 sctp_finish(void *unused __unused) 100 { 101 EVENTHANDLER_DEREGISTER(rt_addrmsg, SCTP_BASE_VAR(eh_tag)); 102 sctp_pcb_finish(); 103 } 104 105 VNET_SYSUNINIT(sctp, SI_SUB_PROTO_DOMAIN, SI_ORDER_FOURTH, sctp_finish, NULL); 106 #endif 107 108 void 109 sctp_pathmtu_adjustment(struct sctp_tcb *stcb, uint32_t mtu, bool resend) 110 { 111 struct sctp_association *asoc; 112 struct sctp_tmit_chunk *chk; 113 uint32_t overhead; 114 115 asoc = &stcb->asoc; 116 KASSERT(mtu < asoc->smallest_mtu, 117 ("Currently only reducing association MTU %u supported (MTU %u)", 118 asoc->smallest_mtu, mtu)); 119 asoc->smallest_mtu = mtu; 120 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 121 overhead = SCTP_MIN_OVERHEAD; 122 } else { 123 overhead = SCTP_MIN_V4_OVERHEAD; 124 } 125 if (asoc->idata_supported) { 126 if (sctp_auth_is_required_chunk(SCTP_IDATA, asoc->peer_auth_chunks)) { 127 overhead += sctp_get_auth_chunk_len(asoc->peer_hmac_id); 128 } 129 } else { 130 if (sctp_auth_is_required_chunk(SCTP_DATA, asoc->peer_auth_chunks)) { 131 overhead += sctp_get_auth_chunk_len(asoc->peer_hmac_id); 132 } 133 } 134 KASSERT(overhead % 4 == 0, 135 ("overhead (%u) not a multiple of 4", overhead)); 136 TAILQ_FOREACH(chk, &asoc->send_queue, sctp_next) { 137 if (((uint32_t)chk->send_size + overhead) > mtu) { 138 chk->flags |= CHUNK_FLAGS_FRAGMENT_OK; 139 } 140 } 141 TAILQ_FOREACH(chk, &asoc->sent_queue, sctp_next) { 142 if (((uint32_t)chk->send_size + overhead) > mtu) { 143 chk->flags |= CHUNK_FLAGS_FRAGMENT_OK; 144 if (resend && chk->sent < SCTP_DATAGRAM_RESEND) { 145 /* 146 * If requested, mark the chunk for 147 * immediate resend, since we sent it being 148 * too big. 149 */ 150 sctp_flight_size_decrease(chk); 151 sctp_total_flight_decrease(stcb, chk); 152 chk->sent = SCTP_DATAGRAM_RESEND; 153 sctp_ucount_incr(asoc->sent_queue_retran_cnt); 154 chk->rec.data.doing_fast_retransmit = 0; 155 if (SCTP_BASE_SYSCTL(sctp_logging_level) & SCTP_FLIGHT_LOGGING_ENABLE) { 156 sctp_misc_ints(SCTP_FLIGHT_LOG_DOWN_PMTU, 157 chk->whoTo->flight_size, 158 chk->book_size, 159 (uint32_t)(uintptr_t)chk->whoTo, 160 chk->rec.data.tsn); 161 } 162 /* Clear any time, so NO RTT is being done. */ 163 if (chk->do_rtt == 1) { 164 chk->do_rtt = 0; 165 chk->whoTo->rto_needed = 1; 166 } 167 } 168 } 169 } 170 } 171 172 #ifdef INET 173 void 174 sctp_notify(struct sctp_inpcb *inp, 175 struct sctp_tcb *stcb, 176 struct sctp_nets *net, 177 uint8_t icmp_type, 178 uint8_t icmp_code, 179 uint16_t ip_len, 180 uint32_t next_mtu) 181 { 182 int timer_stopped; 183 184 if (icmp_type != ICMP_UNREACH) { 185 /* We only care about unreachable */ 186 SCTP_TCB_UNLOCK(stcb); 187 return; 188 } 189 if ((icmp_code == ICMP_UNREACH_NET) || 190 (icmp_code == ICMP_UNREACH_HOST) || 191 (icmp_code == ICMP_UNREACH_NET_UNKNOWN) || 192 (icmp_code == ICMP_UNREACH_HOST_UNKNOWN) || 193 (icmp_code == ICMP_UNREACH_ISOLATED) || 194 (icmp_code == ICMP_UNREACH_NET_PROHIB) || 195 (icmp_code == ICMP_UNREACH_HOST_PROHIB) || 196 (icmp_code == ICMP_UNREACH_FILTER_PROHIB)) { 197 /* Mark the net unreachable. */ 198 if (net->dest_state & SCTP_ADDR_REACHABLE) { 199 /* OK, that destination is NOT reachable. */ 200 net->dest_state &= ~SCTP_ADDR_REACHABLE; 201 net->dest_state &= ~SCTP_ADDR_PF; 202 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, 203 stcb, 0, 204 (void *)net, SCTP_SO_NOT_LOCKED); 205 } 206 SCTP_TCB_UNLOCK(stcb); 207 } else if ((icmp_code == ICMP_UNREACH_PROTOCOL) || 208 (icmp_code == ICMP_UNREACH_PORT)) { 209 /* Treat it like an ABORT. */ 210 sctp_abort_notification(stcb, true, false, 0, NULL, SCTP_SO_NOT_LOCKED); 211 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, 212 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_2); 213 /* no need to unlock here, since the TCB is gone */ 214 } else if (icmp_code == ICMP_UNREACH_NEEDFRAG) { 215 if (net->dest_state & SCTP_ADDR_NO_PMTUD) { 216 SCTP_TCB_UNLOCK(stcb); 217 return; 218 } 219 /* Find the next (smaller) MTU */ 220 if (next_mtu == 0) { 221 /* 222 * Old type router that does not tell us what the 223 * next MTU is. Rats we will have to guess (in a 224 * educated fashion of course). 225 */ 226 next_mtu = sctp_get_prev_mtu(ip_len); 227 } 228 /* Stop the PMTU timer. */ 229 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 230 timer_stopped = 1; 231 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 232 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_1); 233 } else { 234 timer_stopped = 0; 235 } 236 /* Update the path MTU. */ 237 if (net->port) { 238 next_mtu -= sizeof(struct udphdr); 239 } 240 if (net->mtu > next_mtu) { 241 net->mtu = next_mtu; 242 if (net->port) { 243 sctp_hc_set_mtu(&net->ro._l_addr, inp->fibnum, next_mtu + sizeof(struct udphdr)); 244 } else { 245 sctp_hc_set_mtu(&net->ro._l_addr, inp->fibnum, next_mtu); 246 } 247 } 248 /* Update the association MTU */ 249 if (stcb->asoc.smallest_mtu > next_mtu) { 250 sctp_pathmtu_adjustment(stcb, next_mtu, true); 251 } 252 /* Finally, start the PMTU timer if it was running before. */ 253 if (timer_stopped) { 254 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 255 } 256 SCTP_TCB_UNLOCK(stcb); 257 } else { 258 SCTP_TCB_UNLOCK(stcb); 259 } 260 } 261 262 void 263 sctp_ctlinput(struct icmp *icmp) 264 { 265 struct ip *inner_ip, *outer_ip; 266 struct sctphdr *sh; 267 struct sctp_inpcb *inp; 268 struct sctp_tcb *stcb; 269 struct sctp_nets *net; 270 struct sctp_init_chunk *ch; 271 struct sockaddr_in src, dst; 272 273 if (icmp_errmap(icmp) == 0) 274 return; 275 276 outer_ip = (struct ip *)((caddr_t)icmp - sizeof(struct ip)); 277 inner_ip = &icmp->icmp_ip; 278 sh = (struct sctphdr *)((caddr_t)inner_ip + (inner_ip->ip_hl << 2)); 279 memset(&src, 0, sizeof(struct sockaddr_in)); 280 src.sin_family = AF_INET; 281 src.sin_len = sizeof(struct sockaddr_in); 282 src.sin_port = sh->src_port; 283 src.sin_addr = inner_ip->ip_src; 284 memset(&dst, 0, sizeof(struct sockaddr_in)); 285 dst.sin_family = AF_INET; 286 dst.sin_len = sizeof(struct sockaddr_in); 287 dst.sin_port = sh->dest_port; 288 dst.sin_addr = inner_ip->ip_dst; 289 /* 290 * 'dst' holds the dest of the packet that failed to be sent. 'src' 291 * holds our local endpoint address. Thus we reverse the dst and the 292 * src in the lookup. 293 */ 294 inp = NULL; 295 net = NULL; 296 stcb = sctp_findassociation_addr_sa((struct sockaddr *)&dst, 297 (struct sockaddr *)&src, 298 &inp, &net, 1, 299 SCTP_DEFAULT_VRFID); 300 if ((stcb != NULL) && 301 (net != NULL) && 302 (inp != NULL)) { 303 /* Check the verification tag */ 304 if (ntohl(sh->v_tag) != 0) { 305 /* 306 * This must be the verification tag used for 307 * sending out packets. We don't consider packets 308 * reflecting the verification tag. 309 */ 310 if (ntohl(sh->v_tag) != stcb->asoc.peer_vtag) { 311 SCTP_TCB_UNLOCK(stcb); 312 return; 313 } 314 } else { 315 if (ntohs(outer_ip->ip_len) >= 316 sizeof(struct ip) + 317 8 + (inner_ip->ip_hl << 2) + 20) { 318 /* 319 * In this case we can check if we got an 320 * INIT chunk and if the initiate tag 321 * matches. 322 */ 323 ch = (struct sctp_init_chunk *)(sh + 1); 324 if ((ch->ch.chunk_type != SCTP_INITIATION) || 325 (ntohl(ch->init.initiate_tag) != stcb->asoc.my_vtag)) { 326 SCTP_TCB_UNLOCK(stcb); 327 return; 328 } 329 } else { 330 SCTP_TCB_UNLOCK(stcb); 331 return; 332 } 333 } 334 sctp_notify(inp, stcb, net, 335 icmp->icmp_type, 336 icmp->icmp_code, 337 ntohs(inner_ip->ip_len), 338 (uint32_t)ntohs(icmp->icmp_nextmtu)); 339 } else { 340 if ((stcb == NULL) && (inp != NULL)) { 341 /* reduce ref-count */ 342 SCTP_INP_WLOCK(inp); 343 SCTP_INP_DECR_REF(inp); 344 SCTP_INP_WUNLOCK(inp); 345 } 346 if (stcb) { 347 SCTP_TCB_UNLOCK(stcb); 348 } 349 } 350 } 351 #endif 352 353 static int 354 sctp_getcred(SYSCTL_HANDLER_ARGS) 355 { 356 struct xucred xuc; 357 struct sockaddr_in addrs[2]; 358 struct sctp_inpcb *inp; 359 struct sctp_nets *net; 360 struct sctp_tcb *stcb; 361 int error; 362 uint32_t vrf_id; 363 364 /* FIX, for non-bsd is this right? */ 365 vrf_id = SCTP_DEFAULT_VRFID; 366 367 error = priv_check(req->td, PRIV_NETINET_GETCRED); 368 369 if (error) 370 return (error); 371 372 error = SYSCTL_IN(req, addrs, sizeof(addrs)); 373 if (error) 374 return (error); 375 376 stcb = sctp_findassociation_addr_sa(sintosa(&addrs[1]), 377 sintosa(&addrs[0]), 378 &inp, &net, 1, vrf_id); 379 if (stcb == NULL || inp == NULL || inp->sctp_socket == NULL) { 380 if ((inp != NULL) && (stcb == NULL)) { 381 /* reduce ref-count */ 382 SCTP_INP_WLOCK(inp); 383 SCTP_INP_DECR_REF(inp); 384 goto cred_can_cont; 385 } 386 387 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 388 error = ENOENT; 389 goto out; 390 } 391 SCTP_TCB_UNLOCK(stcb); 392 /* 393 * We use the write lock here, only since in the error leg we need 394 * it. If we used RLOCK, then we would have to 395 * wlock/decr/unlock/rlock. Which in theory could create a hole. 396 * Better to use higher wlock. 397 */ 398 SCTP_INP_WLOCK(inp); 399 cred_can_cont: 400 error = cr_canseesocket(req->td->td_ucred, inp->sctp_socket); 401 if (error) { 402 SCTP_INP_WUNLOCK(inp); 403 goto out; 404 } 405 cru2x(inp->sctp_socket->so_cred, &xuc); 406 SCTP_INP_WUNLOCK(inp); 407 error = SYSCTL_OUT(req, &xuc, sizeof(struct xucred)); 408 out: 409 return (error); 410 } 411 412 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, getcred, 413 CTLTYPE_OPAQUE | CTLFLAG_RW | CTLFLAG_NEEDGIANT, 414 0, 0, sctp_getcred, "S,ucred", 415 "Get the ucred of a SCTP connection"); 416 417 void 418 sctp_abort(struct socket *so) 419 { 420 struct epoch_tracker et; 421 struct sctp_inpcb *inp; 422 423 inp = (struct sctp_inpcb *)so->so_pcb; 424 if (inp == NULL) { 425 return; 426 } 427 428 SCTP_INP_WLOCK(inp); 429 NET_EPOCH_ENTER(et); 430 #ifdef SCTP_LOG_CLOSING 431 sctp_log_closing(inp, NULL, 17); 432 #endif 433 if (((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0)) { 434 inp->sctp_flags |= SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP; 435 #ifdef SCTP_LOG_CLOSING 436 sctp_log_closing(inp, NULL, 16); 437 #endif 438 SCTP_INP_WUNLOCK(inp); 439 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_ABORT, 440 SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 441 SOCK_LOCK(so); 442 KASSERT(!SOLISTENING(so), 443 ("sctp_abort: called on listening socket %p", so)); 444 SCTP_SB_CLEAR(so->so_snd); 445 SCTP_SB_CLEAR(so->so_rcv); 446 /* Now null out the reference, we are completely detached. */ 447 so->so_pcb = NULL; 448 SOCK_UNLOCK(so); 449 } else { 450 SCTP_INP_WUNLOCK(inp); 451 } 452 NET_EPOCH_EXIT(et); 453 } 454 455 #ifdef INET 456 static int 457 sctp_attach(struct socket *so, int proto SCTP_UNUSED, struct thread *p SCTP_UNUSED) 458 { 459 struct sctp_inpcb *inp; 460 struct inpcb *ip_inp; 461 int error; 462 uint32_t vrf_id = SCTP_DEFAULT_VRFID; 463 464 inp = (struct sctp_inpcb *)so->so_pcb; 465 if (inp != NULL) { 466 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 467 return (EINVAL); 468 } 469 if (so->so_snd.sb_hiwat == 0 || so->so_rcv.sb_hiwat == 0) { 470 error = SCTP_SORESERVE(so, SCTP_BASE_SYSCTL(sctp_sendspace), SCTP_BASE_SYSCTL(sctp_recvspace)); 471 if (error) { 472 return (error); 473 } 474 } 475 error = sctp_inpcb_alloc(so, vrf_id); 476 if (error) { 477 return (error); 478 } 479 inp = (struct sctp_inpcb *)so->so_pcb; 480 SCTP_INP_WLOCK(inp); 481 inp->sctp_flags &= ~SCTP_PCB_FLAGS_BOUND_V6; /* I'm not v6! */ 482 ip_inp = &inp->ip_inp.inp; 483 ip_inp->inp_vflag |= INP_IPV4; 484 ip_inp->inp_ip_ttl = MODULE_GLOBAL(ip_defttl); 485 SCTP_INP_WUNLOCK(inp); 486 return (0); 487 } 488 489 static int 490 sctp_bind(struct socket *so, struct sockaddr *addr, struct thread *p) 491 { 492 struct sctp_inpcb *inp; 493 494 inp = (struct sctp_inpcb *)so->so_pcb; 495 if (inp == NULL) { 496 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 497 return (EINVAL); 498 } 499 if (addr != NULL) { 500 if ((addr->sa_family != AF_INET) || 501 (addr->sa_len != sizeof(struct sockaddr_in))) { 502 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 503 return (EINVAL); 504 } 505 } 506 return (sctp_inpcb_bind(so, addr, NULL, p)); 507 } 508 509 #endif 510 void 511 sctp_close(struct socket *so) 512 { 513 struct epoch_tracker et; 514 struct sctp_inpcb *inp; 515 516 inp = (struct sctp_inpcb *)so->so_pcb; 517 if (inp == NULL) 518 return; 519 520 /* 521 * Inform all the lower layer assoc that we are done. 522 */ 523 SCTP_INP_WLOCK(inp); 524 NET_EPOCH_ENTER(et); 525 #ifdef SCTP_LOG_CLOSING 526 sctp_log_closing(inp, NULL, 17); 527 #endif 528 if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) { 529 inp->sctp_flags |= SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP; 530 if (((so->so_options & SO_LINGER) && (so->so_linger == 0)) || 531 (SCTP_SBAVAIL(&so->so_rcv) > 0)) { 532 #ifdef SCTP_LOG_CLOSING 533 sctp_log_closing(inp, NULL, 13); 534 #endif 535 SCTP_INP_WUNLOCK(inp); 536 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_ABORT, 537 SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 538 } else { 539 #ifdef SCTP_LOG_CLOSING 540 sctp_log_closing(inp, NULL, 14); 541 #endif 542 SCTP_INP_WUNLOCK(inp); 543 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_GRACEFUL_CLOSE, 544 SCTP_CALLED_AFTER_CMPSET_OFCLOSE); 545 } 546 /* 547 * The socket is now detached, no matter what the state of 548 * the SCTP association. 549 */ 550 SOCK_LOCK(so); 551 if (!SOLISTENING(so)) { 552 SCTP_SB_CLEAR(so->so_snd); 553 SCTP_SB_CLEAR(so->so_rcv); 554 } 555 /* Now null out the reference, we are completely detached. */ 556 so->so_pcb = NULL; 557 SOCK_UNLOCK(so); 558 } else { 559 SCTP_INP_WUNLOCK(inp); 560 } 561 NET_EPOCH_EXIT(et); 562 } 563 564 int 565 sctp_sendm(struct socket *so, int flags, struct mbuf *m, struct sockaddr *addr, 566 struct mbuf *control, struct thread *p); 567 568 int 569 sctp_sendm(struct socket *so, int flags, struct mbuf *m, struct sockaddr *addr, 570 struct mbuf *control, struct thread *p) 571 { 572 struct sctp_inpcb *inp; 573 int error; 574 575 inp = (struct sctp_inpcb *)so->so_pcb; 576 if (inp == NULL) { 577 if (control) { 578 sctp_m_freem(control); 579 control = NULL; 580 } 581 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 582 sctp_m_freem(m); 583 return (EINVAL); 584 } 585 /* Got to have an to address if we are NOT a connected socket */ 586 if ((addr == NULL) && 587 ((inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) || 588 (inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE))) { 589 goto connected_type; 590 } 591 592 error = 0; 593 if (addr == NULL) { 594 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EDESTADDRREQ); 595 error = EDESTADDRREQ; 596 } else if (addr->sa_family != AF_INET) { 597 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EAFNOSUPPORT); 598 error = EAFNOSUPPORT; 599 } else if (addr->sa_len != sizeof(struct sockaddr_in)) { 600 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 601 error = EINVAL; 602 } 603 if (error != 0) { 604 sctp_m_freem(m); 605 if (control) { 606 sctp_m_freem(control); 607 control = NULL; 608 } 609 return (error); 610 } 611 connected_type: 612 /* now what about control */ 613 if (control) { 614 if (inp->control) { 615 sctp_m_freem(inp->control); 616 inp->control = NULL; 617 } 618 inp->control = control; 619 } 620 /* Place the data */ 621 if (inp->pkt) { 622 SCTP_BUF_NEXT(inp->pkt_last) = m; 623 inp->pkt_last = m; 624 } else { 625 inp->pkt_last = inp->pkt = m; 626 } 627 if ( 628 /* FreeBSD uses a flag passed */ 629 ((flags & PRUS_MORETOCOME) == 0) 630 ) { 631 /* 632 * note with the current version this code will only be used 633 * by OpenBSD-- NetBSD, FreeBSD, and MacOS have methods for 634 * re-defining sosend to use the sctp_sosend. One can 635 * optionally switch back to this code (by changing back the 636 * definitions) but this is not advisable. This code is used 637 * by FreeBSD when sending a file with sendfile() though. 638 */ 639 struct epoch_tracker et; 640 int ret; 641 642 NET_EPOCH_ENTER(et); 643 ret = sctp_output(inp, inp->pkt, addr, inp->control, p, flags); 644 NET_EPOCH_EXIT(et); 645 inp->pkt = NULL; 646 inp->control = NULL; 647 return (ret); 648 } else { 649 return (0); 650 } 651 } 652 653 int 654 sctp_disconnect(struct socket *so) 655 { 656 struct epoch_tracker et; 657 struct sctp_inpcb *inp; 658 struct sctp_association *asoc; 659 struct sctp_tcb *stcb; 660 661 inp = (struct sctp_inpcb *)so->so_pcb; 662 if (inp == NULL) { 663 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 664 return (ENOTCONN); 665 } 666 SCTP_INP_RLOCK(inp); 667 KASSERT(inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE || 668 inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL, 669 ("Not a one-to-one style socket")); 670 stcb = LIST_FIRST(&inp->sctp_asoc_list); 671 if (stcb == NULL) { 672 SCTP_INP_RUNLOCK(inp); 673 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 674 return (ENOTCONN); 675 } 676 SCTP_TCB_LOCK(stcb); 677 asoc = &stcb->asoc; 678 if (asoc->state & SCTP_STATE_ABOUT_TO_BE_FREED) { 679 /* We are about to be freed, out of here */ 680 SCTP_TCB_UNLOCK(stcb); 681 SCTP_INP_RUNLOCK(inp); 682 return (0); 683 } 684 NET_EPOCH_ENTER(et); 685 if (((so->so_options & SO_LINGER) && (so->so_linger == 0)) || 686 (SCTP_SBAVAIL(&so->so_rcv) > 0)) { 687 if (SCTP_GET_STATE(stcb) != SCTP_STATE_COOKIE_WAIT) { 688 /* Left with Data unread */ 689 struct mbuf *op_err; 690 691 op_err = sctp_generate_cause(SCTP_CAUSE_USER_INITIATED_ABT, ""); 692 sctp_send_abort_tcb(stcb, op_err, SCTP_SO_LOCKED); 693 SCTP_STAT_INCR_COUNTER32(sctps_aborted); 694 } 695 SCTP_INP_RUNLOCK(inp); 696 if ((SCTP_GET_STATE(stcb) == SCTP_STATE_OPEN) || 697 (SCTP_GET_STATE(stcb) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 698 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 699 } 700 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, 701 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_3); 702 /* No unlock tcb assoc is gone */ 703 NET_EPOCH_EXIT(et); 704 return (0); 705 } 706 if (TAILQ_EMPTY(&asoc->send_queue) && 707 TAILQ_EMPTY(&asoc->sent_queue) && 708 (asoc->stream_queue_cnt == 0)) { 709 /* there is nothing queued to send, so done */ 710 if ((*asoc->ss_functions.sctp_ss_is_user_msgs_incomplete) (stcb, asoc)) { 711 goto abort_anyway; 712 } 713 if ((SCTP_GET_STATE(stcb) != SCTP_STATE_SHUTDOWN_SENT) && 714 (SCTP_GET_STATE(stcb) != SCTP_STATE_SHUTDOWN_ACK_SENT)) { 715 /* only send SHUTDOWN 1st time thru */ 716 struct sctp_nets *netp; 717 718 if ((SCTP_GET_STATE(stcb) == SCTP_STATE_OPEN) || 719 (SCTP_GET_STATE(stcb) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 720 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 721 } 722 SCTP_SET_STATE(stcb, SCTP_STATE_SHUTDOWN_SENT); 723 sctp_stop_timers_for_shutdown(stcb); 724 if (stcb->asoc.alternate) { 725 netp = stcb->asoc.alternate; 726 } else { 727 netp = stcb->asoc.primary_destination; 728 } 729 sctp_send_shutdown(stcb, netp); 730 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWN, 731 stcb->sctp_ep, stcb, netp); 732 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, 733 stcb->sctp_ep, stcb, NULL); 734 sctp_chunk_output(stcb->sctp_ep, stcb, SCTP_OUTPUT_FROM_CLOSING, SCTP_SO_LOCKED); 735 } 736 } else { 737 /* 738 * we still got (or just got) data to send, so set 739 * SHUTDOWN_PENDING 740 */ 741 /* 742 * XXX sockets draft says that SCTP_EOF should be sent with 743 * no data. currently, we will allow user data to be sent 744 * first and move to SHUTDOWN-PENDING 745 */ 746 SCTP_ADD_SUBSTATE(stcb, SCTP_STATE_SHUTDOWN_PENDING); 747 if ((*asoc->ss_functions.sctp_ss_is_user_msgs_incomplete) (stcb, asoc)) { 748 SCTP_ADD_SUBSTATE(stcb, SCTP_STATE_PARTIAL_MSG_LEFT); 749 } 750 if (TAILQ_EMPTY(&asoc->send_queue) && 751 TAILQ_EMPTY(&asoc->sent_queue) && 752 (asoc->state & SCTP_STATE_PARTIAL_MSG_LEFT)) { 753 struct mbuf *op_err; 754 755 abort_anyway: 756 op_err = sctp_generate_cause(SCTP_CAUSE_USER_INITIATED_ABT, ""); 757 stcb->sctp_ep->last_abort_code = SCTP_FROM_SCTP_USRREQ + SCTP_LOC_4; 758 sctp_send_abort_tcb(stcb, op_err, SCTP_SO_LOCKED); 759 SCTP_STAT_INCR_COUNTER32(sctps_aborted); 760 if ((SCTP_GET_STATE(stcb) == SCTP_STATE_OPEN) || 761 (SCTP_GET_STATE(stcb) == SCTP_STATE_SHUTDOWN_RECEIVED)) { 762 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 763 } 764 SCTP_INP_RUNLOCK(inp); 765 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, 766 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_5); 767 NET_EPOCH_EXIT(et); 768 return (0); 769 } else { 770 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_CLOSING, SCTP_SO_LOCKED); 771 } 772 } 773 soisdisconnecting(so); 774 NET_EPOCH_EXIT(et); 775 SCTP_TCB_UNLOCK(stcb); 776 SCTP_INP_RUNLOCK(inp); 777 return (0); 778 } 779 780 int 781 sctp_flush(struct socket *so, int how) 782 { 783 /* 784 * We will just clear out the values and let subsequent close clear 785 * out the data, if any. Note if the user did a shutdown(SHUT_RD) 786 * they will not be able to read the data, the socket will block 787 * that from happening. 788 */ 789 struct sctp_inpcb *inp; 790 791 inp = (struct sctp_inpcb *)so->so_pcb; 792 if (inp == NULL) { 793 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 794 return (EINVAL); 795 } 796 SCTP_INP_RLOCK(inp); 797 /* For the 1 to many model this does nothing */ 798 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 799 SCTP_INP_RUNLOCK(inp); 800 return (0); 801 } 802 SCTP_INP_RUNLOCK(inp); 803 if ((how == PRU_FLUSH_RD) || (how == PRU_FLUSH_RDWR)) { 804 /* 805 * First make sure the sb will be happy, we don't use these 806 * except maybe the count 807 */ 808 SCTP_INP_WLOCK(inp); 809 SCTP_INP_READ_LOCK(inp); 810 inp->sctp_flags |= SCTP_PCB_FLAGS_SOCKET_CANT_READ; 811 SCTP_INP_READ_UNLOCK(inp); 812 SCTP_INP_WUNLOCK(inp); 813 SOCK_LOCK(so); 814 KASSERT(!SOLISTENING(so), 815 ("sctp_flush: called on listening socket %p", so)); 816 SCTP_SB_CLEAR(so->so_rcv); 817 SOCK_UNLOCK(so); 818 } 819 if ((how == PRU_FLUSH_WR) || (how == PRU_FLUSH_RDWR)) { 820 /* 821 * First make sure the sb will be happy, we don't use these 822 * except maybe the count 823 */ 824 SOCK_LOCK(so); 825 KASSERT(!SOLISTENING(so), 826 ("sctp_flush: called on listening socket %p", so)); 827 SOCK_UNLOCK(so); 828 } 829 return (0); 830 } 831 832 int 833 sctp_shutdown(struct socket *so) 834 { 835 struct sctp_inpcb *inp; 836 837 inp = (struct sctp_inpcb *)so->so_pcb; 838 if (inp == NULL) { 839 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 840 return (EINVAL); 841 } 842 SCTP_INP_RLOCK(inp); 843 /* For UDP model this is a invalid call */ 844 if (!((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 845 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL))) { 846 /* Restore the flags that the soshutdown took away. */ 847 SOCKBUF_LOCK(&so->so_rcv); 848 so->so_rcv.sb_state &= ~SBS_CANTRCVMORE; 849 SOCKBUF_UNLOCK(&so->so_rcv); 850 /* This proc will wakeup for read and do nothing (I hope) */ 851 SCTP_INP_RUNLOCK(inp); 852 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 853 return (EOPNOTSUPP); 854 } else { 855 /* 856 * Ok, if we reach here its the TCP model and it is either a 857 * SHUT_WR or SHUT_RDWR. This means we put the shutdown flag 858 * against it. 859 */ 860 struct epoch_tracker et; 861 struct sctp_tcb *stcb; 862 struct sctp_association *asoc; 863 struct sctp_nets *netp; 864 865 if ((so->so_state & 866 (SS_ISCONNECTED | SS_ISCONNECTING | SS_ISDISCONNECTING)) == 0) { 867 SCTP_INP_RUNLOCK(inp); 868 return (ENOTCONN); 869 } 870 socantsendmore(so); 871 872 stcb = LIST_FIRST(&inp->sctp_asoc_list); 873 if (stcb == NULL) { 874 /* 875 * Ok, we hit the case that the shutdown call was 876 * made after an abort or something. Nothing to do 877 * now. 878 */ 879 SCTP_INP_RUNLOCK(inp); 880 return (0); 881 } 882 SCTP_TCB_LOCK(stcb); 883 asoc = &stcb->asoc; 884 if (asoc->state & SCTP_STATE_ABOUT_TO_BE_FREED) { 885 SCTP_TCB_UNLOCK(stcb); 886 SCTP_INP_RUNLOCK(inp); 887 return (0); 888 } 889 if ((SCTP_GET_STATE(stcb) != SCTP_STATE_COOKIE_WAIT) && 890 (SCTP_GET_STATE(stcb) != SCTP_STATE_COOKIE_ECHOED) && 891 (SCTP_GET_STATE(stcb) != SCTP_STATE_OPEN)) { 892 /* 893 * If we are not in or before ESTABLISHED, there is 894 * no protocol action required. 895 */ 896 SCTP_TCB_UNLOCK(stcb); 897 SCTP_INP_RUNLOCK(inp); 898 return (0); 899 } 900 NET_EPOCH_ENTER(et); 901 if (stcb->asoc.alternate) { 902 netp = stcb->asoc.alternate; 903 } else { 904 netp = stcb->asoc.primary_destination; 905 } 906 if ((SCTP_GET_STATE(stcb) == SCTP_STATE_OPEN) && 907 TAILQ_EMPTY(&asoc->send_queue) && 908 TAILQ_EMPTY(&asoc->sent_queue) && 909 (asoc->stream_queue_cnt == 0)) { 910 if ((*asoc->ss_functions.sctp_ss_is_user_msgs_incomplete) (stcb, asoc)) { 911 goto abort_anyway; 912 } 913 /* there is nothing queued to send, so I'm done... */ 914 SCTP_STAT_DECR_GAUGE32(sctps_currestab); 915 SCTP_SET_STATE(stcb, SCTP_STATE_SHUTDOWN_SENT); 916 sctp_stop_timers_for_shutdown(stcb); 917 sctp_send_shutdown(stcb, netp); 918 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWN, 919 stcb->sctp_ep, stcb, netp); 920 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, 921 stcb->sctp_ep, stcb, NULL); 922 } else { 923 /* 924 * We still got (or just got) data to send, so set 925 * SHUTDOWN_PENDING. 926 */ 927 SCTP_ADD_SUBSTATE(stcb, SCTP_STATE_SHUTDOWN_PENDING); 928 if ((*asoc->ss_functions.sctp_ss_is_user_msgs_incomplete) (stcb, asoc)) { 929 SCTP_ADD_SUBSTATE(stcb, SCTP_STATE_PARTIAL_MSG_LEFT); 930 } 931 if (TAILQ_EMPTY(&asoc->send_queue) && 932 TAILQ_EMPTY(&asoc->sent_queue) && 933 (asoc->state & SCTP_STATE_PARTIAL_MSG_LEFT)) { 934 struct mbuf *op_err; 935 936 abort_anyway: 937 op_err = sctp_generate_cause(SCTP_CAUSE_USER_INITIATED_ABT, ""); 938 stcb->sctp_ep->last_abort_code = SCTP_FROM_SCTP_USRREQ + SCTP_LOC_6; 939 SCTP_INP_RUNLOCK(inp); 940 sctp_abort_an_association(stcb->sctp_ep, stcb, 941 op_err, false, SCTP_SO_LOCKED); 942 NET_EPOCH_EXIT(et); 943 return (0); 944 } 945 } 946 /* 947 * XXX: Why do this in the case where we have still data 948 * queued? 949 */ 950 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_CLOSING, SCTP_SO_LOCKED); 951 SCTP_TCB_UNLOCK(stcb); 952 SCTP_INP_RUNLOCK(inp); 953 NET_EPOCH_EXIT(et); 954 return (0); 955 } 956 } 957 958 /* 959 * copies a "user" presentable address and removes embedded scope, etc. 960 * returns 0 on success, 1 on error 961 */ 962 static uint32_t 963 sctp_fill_user_address(struct sockaddr *dst, struct sockaddr *src) 964 { 965 #ifdef INET6 966 struct sockaddr_in6 lsa6; 967 968 src = (struct sockaddr *)sctp_recover_scope((struct sockaddr_in6 *)src, 969 &lsa6); 970 #endif 971 memcpy(dst, src, src->sa_len); 972 return (0); 973 } 974 975 static size_t 976 sctp_fill_up_addresses_vrf(struct sctp_inpcb *inp, 977 struct sctp_tcb *stcb, 978 size_t limit, 979 struct sockaddr *addr, 980 uint32_t vrf_id) 981 { 982 struct sctp_ifn *sctp_ifn; 983 struct sctp_ifa *sctp_ifa; 984 size_t actual; 985 int loopback_scope; 986 #if defined(INET) 987 int ipv4_local_scope, ipv4_addr_legal; 988 #endif 989 #if defined(INET6) 990 int local_scope, site_scope, ipv6_addr_legal; 991 #endif 992 struct sctp_vrf *vrf; 993 994 SCTP_IPI_ADDR_LOCK_ASSERT(); 995 actual = 0; 996 if (limit == 0) 997 return (actual); 998 999 if (stcb) { 1000 /* Turn on all the appropriate scope */ 1001 loopback_scope = stcb->asoc.scope.loopback_scope; 1002 #if defined(INET) 1003 ipv4_local_scope = stcb->asoc.scope.ipv4_local_scope; 1004 ipv4_addr_legal = stcb->asoc.scope.ipv4_addr_legal; 1005 #endif 1006 #if defined(INET6) 1007 local_scope = stcb->asoc.scope.local_scope; 1008 site_scope = stcb->asoc.scope.site_scope; 1009 ipv6_addr_legal = stcb->asoc.scope.ipv6_addr_legal; 1010 #endif 1011 } else { 1012 /* Use generic values for endpoints. */ 1013 loopback_scope = 1; 1014 #if defined(INET) 1015 ipv4_local_scope = 1; 1016 #endif 1017 #if defined(INET6) 1018 local_scope = 1; 1019 site_scope = 1; 1020 #endif 1021 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 1022 #if defined(INET6) 1023 ipv6_addr_legal = 1; 1024 #endif 1025 #if defined(INET) 1026 if (SCTP_IPV6_V6ONLY(inp)) { 1027 ipv4_addr_legal = 0; 1028 } else { 1029 ipv4_addr_legal = 1; 1030 } 1031 #endif 1032 } else { 1033 #if defined(INET6) 1034 ipv6_addr_legal = 0; 1035 #endif 1036 #if defined(INET) 1037 ipv4_addr_legal = 1; 1038 #endif 1039 } 1040 } 1041 vrf = sctp_find_vrf(vrf_id); 1042 if (vrf == NULL) { 1043 return (0); 1044 } 1045 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1046 LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) { 1047 if ((loopback_scope == 0) && 1048 SCTP_IFN_IS_IFT_LOOP(sctp_ifn)) { 1049 /* Skip loopback if loopback_scope not set */ 1050 continue; 1051 } 1052 LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) { 1053 if (stcb) { 1054 /* 1055 * For the BOUND-ALL case, the list 1056 * associated with a TCB is Always 1057 * considered a reverse list.. i.e. 1058 * it lists addresses that are NOT 1059 * part of the association. If this 1060 * is one of those we must skip it. 1061 */ 1062 if (sctp_is_addr_restricted(stcb, 1063 sctp_ifa)) { 1064 continue; 1065 } 1066 } 1067 switch (sctp_ifa->address.sa.sa_family) { 1068 #ifdef INET 1069 case AF_INET: 1070 if (ipv4_addr_legal) { 1071 struct sockaddr_in *sin; 1072 1073 sin = &sctp_ifa->address.sin; 1074 if (sin->sin_addr.s_addr == 0) { 1075 /* 1076 * we skip 1077 * unspecified 1078 * addresses 1079 */ 1080 continue; 1081 } 1082 if (prison_check_ip4(inp->ip_inp.inp.inp_cred, 1083 &sin->sin_addr) != 0) { 1084 continue; 1085 } 1086 if ((ipv4_local_scope == 0) && 1087 (IN4_ISPRIVATE_ADDRESS(&sin->sin_addr))) { 1088 continue; 1089 } 1090 #ifdef INET6 1091 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 1092 if (actual + sizeof(struct sockaddr_in6) > limit) { 1093 return (actual); 1094 } 1095 in6_sin_2_v4mapsin6(sin, (struct sockaddr_in6 *)addr); 1096 ((struct sockaddr_in6 *)addr)->sin6_port = inp->sctp_lport; 1097 addr = (struct sockaddr *)((caddr_t)addr + sizeof(struct sockaddr_in6)); 1098 actual += sizeof(struct sockaddr_in6); 1099 } else { 1100 #endif 1101 if (actual + sizeof(struct sockaddr_in) > limit) { 1102 return (actual); 1103 } 1104 memcpy(addr, sin, sizeof(struct sockaddr_in)); 1105 ((struct sockaddr_in *)addr)->sin_port = inp->sctp_lport; 1106 addr = (struct sockaddr *)((caddr_t)addr + sizeof(struct sockaddr_in)); 1107 actual += sizeof(struct sockaddr_in); 1108 #ifdef INET6 1109 } 1110 #endif 1111 } else { 1112 continue; 1113 } 1114 break; 1115 #endif 1116 #ifdef INET6 1117 case AF_INET6: 1118 if (ipv6_addr_legal) { 1119 struct sockaddr_in6 *sin6; 1120 1121 sin6 = &sctp_ifa->address.sin6; 1122 if (IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 1123 /* 1124 * we skip 1125 * unspecified 1126 * addresses 1127 */ 1128 continue; 1129 } 1130 if (prison_check_ip6(inp->ip_inp.inp.inp_cred, 1131 &sin6->sin6_addr) != 0) { 1132 continue; 1133 } 1134 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) { 1135 if (local_scope == 0) 1136 continue; 1137 if (sin6->sin6_scope_id == 0) { 1138 if (sa6_recoverscope(sin6) != 0) 1139 /* 1140 * 1141 * bad 1142 * link 1143 * 1144 * local 1145 * 1146 * address 1147 */ 1148 continue; 1149 } 1150 } 1151 if ((site_scope == 0) && 1152 (IN6_IS_ADDR_SITELOCAL(&sin6->sin6_addr))) { 1153 continue; 1154 } 1155 if (actual + sizeof(struct sockaddr_in6) > limit) { 1156 return (actual); 1157 } 1158 memcpy(addr, sin6, sizeof(struct sockaddr_in6)); 1159 ((struct sockaddr_in6 *)addr)->sin6_port = inp->sctp_lport; 1160 addr = (struct sockaddr *)((caddr_t)addr + sizeof(struct sockaddr_in6)); 1161 actual += sizeof(struct sockaddr_in6); 1162 } else { 1163 continue; 1164 } 1165 break; 1166 #endif 1167 default: 1168 /* TSNH */ 1169 break; 1170 } 1171 } 1172 } 1173 } else { 1174 struct sctp_laddr *laddr; 1175 size_t sa_len; 1176 1177 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 1178 if (stcb) { 1179 if (sctp_is_addr_restricted(stcb, laddr->ifa)) { 1180 continue; 1181 } 1182 } 1183 sa_len = laddr->ifa->address.sa.sa_len; 1184 if (actual + sa_len > limit) { 1185 return (actual); 1186 } 1187 if (sctp_fill_user_address(addr, &laddr->ifa->address.sa)) 1188 continue; 1189 switch (laddr->ifa->address.sa.sa_family) { 1190 #ifdef INET 1191 case AF_INET: 1192 ((struct sockaddr_in *)addr)->sin_port = inp->sctp_lport; 1193 break; 1194 #endif 1195 #ifdef INET6 1196 case AF_INET6: 1197 ((struct sockaddr_in6 *)addr)->sin6_port = inp->sctp_lport; 1198 break; 1199 #endif 1200 default: 1201 /* TSNH */ 1202 break; 1203 } 1204 addr = (struct sockaddr *)((caddr_t)addr + sa_len); 1205 actual += sa_len; 1206 } 1207 } 1208 return (actual); 1209 } 1210 1211 static size_t 1212 sctp_fill_up_addresses(struct sctp_inpcb *inp, 1213 struct sctp_tcb *stcb, 1214 size_t limit, 1215 struct sockaddr *addr) 1216 { 1217 size_t size; 1218 1219 SCTP_IPI_ADDR_RLOCK(); 1220 /* fill up addresses for the endpoint's default vrf */ 1221 size = sctp_fill_up_addresses_vrf(inp, stcb, limit, addr, 1222 inp->def_vrf_id); 1223 SCTP_IPI_ADDR_RUNLOCK(); 1224 return (size); 1225 } 1226 1227 static size_t 1228 sctp_max_size_addresses_vrf(struct sctp_inpcb *inp, uint32_t vrf_id) 1229 { 1230 struct sctp_vrf *vrf; 1231 size_t size; 1232 1233 /* 1234 * In both sub-set bound an bound_all cases we return the size of 1235 * the maximum number of addresses that you could get. In reality 1236 * the sub-set bound may have an exclusion list for a given TCB or 1237 * in the bound-all case a TCB may NOT include the loopback or other 1238 * addresses as well. 1239 */ 1240 SCTP_IPI_ADDR_LOCK_ASSERT(); 1241 vrf = sctp_find_vrf(vrf_id); 1242 if (vrf == NULL) { 1243 return (0); 1244 } 1245 size = 0; 1246 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1247 struct sctp_ifn *sctp_ifn; 1248 struct sctp_ifa *sctp_ifa; 1249 1250 LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) { 1251 LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) { 1252 /* Count them if they are the right type */ 1253 switch (sctp_ifa->address.sa.sa_family) { 1254 #ifdef INET 1255 case AF_INET: 1256 #ifdef INET6 1257 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) 1258 size += sizeof(struct sockaddr_in6); 1259 else 1260 size += sizeof(struct sockaddr_in); 1261 #else 1262 size += sizeof(struct sockaddr_in); 1263 #endif 1264 break; 1265 #endif 1266 #ifdef INET6 1267 case AF_INET6: 1268 size += sizeof(struct sockaddr_in6); 1269 break; 1270 #endif 1271 default: 1272 break; 1273 } 1274 } 1275 } 1276 } else { 1277 struct sctp_laddr *laddr; 1278 1279 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 1280 switch (laddr->ifa->address.sa.sa_family) { 1281 #ifdef INET 1282 case AF_INET: 1283 #ifdef INET6 1284 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) 1285 size += sizeof(struct sockaddr_in6); 1286 else 1287 size += sizeof(struct sockaddr_in); 1288 #else 1289 size += sizeof(struct sockaddr_in); 1290 #endif 1291 break; 1292 #endif 1293 #ifdef INET6 1294 case AF_INET6: 1295 size += sizeof(struct sockaddr_in6); 1296 break; 1297 #endif 1298 default: 1299 break; 1300 } 1301 } 1302 } 1303 return (size); 1304 } 1305 1306 static size_t 1307 sctp_max_size_addresses(struct sctp_inpcb *inp) 1308 { 1309 size_t size; 1310 1311 SCTP_IPI_ADDR_RLOCK(); 1312 /* Maximum size of all addresses for the endpoint's default VRF */ 1313 size = sctp_max_size_addresses_vrf(inp, inp->def_vrf_id); 1314 SCTP_IPI_ADDR_RUNLOCK(); 1315 return (size); 1316 } 1317 1318 static int 1319 sctp_do_connect_x(struct socket *so, struct sctp_inpcb *inp, void *optval, 1320 size_t optsize, void *p, int delay) 1321 { 1322 int error; 1323 int creat_lock_on = 0; 1324 struct sctp_tcb *stcb = NULL; 1325 struct sockaddr *sa; 1326 unsigned int num_v6 = 0, num_v4 = 0, *totaddrp, totaddr; 1327 uint32_t vrf_id; 1328 sctp_assoc_t *a_id; 1329 1330 SCTPDBG(SCTP_DEBUG_PCB1, "Connectx called\n"); 1331 1332 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 1333 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 1334 /* We are already connected AND the TCP model */ 1335 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 1336 return (EADDRINUSE); 1337 } 1338 1339 if ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) && 1340 (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE))) { 1341 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1342 return (EINVAL); 1343 } 1344 1345 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 1346 SCTP_INP_RLOCK(inp); 1347 stcb = LIST_FIRST(&inp->sctp_asoc_list); 1348 SCTP_INP_RUNLOCK(inp); 1349 } 1350 if (stcb) { 1351 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 1352 return (EALREADY); 1353 } 1354 SCTP_INP_INCR_REF(inp); 1355 SCTP_ASOC_CREATE_LOCK(inp); 1356 creat_lock_on = 1; 1357 if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) || 1358 (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) { 1359 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EFAULT); 1360 error = EFAULT; 1361 goto out_now; 1362 } 1363 totaddrp = (unsigned int *)optval; 1364 totaddr = *totaddrp; 1365 sa = (struct sockaddr *)(totaddrp + 1); 1366 error = sctp_connectx_helper_find(inp, sa, totaddr, &num_v4, &num_v6, (unsigned int)(optsize - sizeof(int))); 1367 if (error != 0) { 1368 /* Already have or am bring up an association */ 1369 SCTP_ASOC_CREATE_UNLOCK(inp); 1370 creat_lock_on = 0; 1371 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1372 goto out_now; 1373 } 1374 #ifdef INET6 1375 if (((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) && 1376 (num_v6 > 0)) { 1377 error = EINVAL; 1378 goto out_now; 1379 } 1380 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) && 1381 (num_v4 > 0)) { 1382 if (SCTP_IPV6_V6ONLY(inp)) { 1383 /* 1384 * if IPV6_V6ONLY flag, ignore connections destined 1385 * to a v4 addr or v4-mapped addr 1386 */ 1387 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1388 error = EINVAL; 1389 goto out_now; 1390 } 1391 } 1392 #endif /* INET6 */ 1393 if (inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) { 1394 /* Bind a ephemeral port */ 1395 error = sctp_inpcb_bind(so, NULL, NULL, p); 1396 if (error) { 1397 goto out_now; 1398 } 1399 } 1400 1401 /* FIX ME: do we want to pass in a vrf on the connect call? */ 1402 vrf_id = inp->def_vrf_id; 1403 1404 /* We are GOOD to go */ 1405 stcb = sctp_aloc_assoc_connected(inp, sa, &error, 0, 0, vrf_id, 1406 inp->sctp_ep.pre_open_stream_count, 1407 inp->sctp_ep.port, 1408 (struct thread *)p, 1409 SCTP_INITIALIZE_AUTH_PARAMS); 1410 if (stcb == NULL) { 1411 /* Gak! no memory */ 1412 goto out_now; 1413 } 1414 SCTP_SET_STATE(stcb, SCTP_STATE_COOKIE_WAIT); 1415 /* move to second address */ 1416 switch (sa->sa_family) { 1417 #ifdef INET 1418 case AF_INET: 1419 sa = (struct sockaddr *)((caddr_t)sa + sizeof(struct sockaddr_in)); 1420 break; 1421 #endif 1422 #ifdef INET6 1423 case AF_INET6: 1424 sa = (struct sockaddr *)((caddr_t)sa + sizeof(struct sockaddr_in6)); 1425 break; 1426 #endif 1427 default: 1428 break; 1429 } 1430 1431 error = 0; 1432 sctp_connectx_helper_add(stcb, sa, (totaddr - 1), &error); 1433 /* Fill in the return id */ 1434 if (error) { 1435 goto out_now; 1436 } 1437 a_id = (sctp_assoc_t *)optval; 1438 *a_id = sctp_get_associd(stcb); 1439 1440 if (delay) { 1441 /* doing delayed connection */ 1442 stcb->asoc.delayed_connection = 1; 1443 sctp_timer_start(SCTP_TIMER_TYPE_INIT, inp, stcb, stcb->asoc.primary_destination); 1444 } else { 1445 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 1446 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 1447 } 1448 SCTP_TCB_UNLOCK(stcb); 1449 out_now: 1450 if (creat_lock_on) { 1451 SCTP_ASOC_CREATE_UNLOCK(inp); 1452 } 1453 SCTP_INP_DECR_REF(inp); 1454 return (error); 1455 } 1456 1457 #define SCTP_FIND_STCB(inp, stcb, assoc_id) { \ 1458 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||\ 1459 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { \ 1460 SCTP_INP_RLOCK(inp); \ 1461 stcb = LIST_FIRST(&inp->sctp_asoc_list); \ 1462 if (stcb) { \ 1463 SCTP_TCB_LOCK(stcb); \ 1464 } \ 1465 SCTP_INP_RUNLOCK(inp); \ 1466 } else if (assoc_id > SCTP_ALL_ASSOC) { \ 1467 stcb = sctp_findassociation_ep_asocid(inp, assoc_id, 1); \ 1468 if (stcb == NULL) { \ 1469 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); \ 1470 error = ENOENT; \ 1471 break; \ 1472 } \ 1473 } else { \ 1474 stcb = NULL; \ 1475 } \ 1476 } 1477 1478 #define SCTP_CHECK_AND_CAST(destp, srcp, type, size) {\ 1479 if (size < sizeof(type)) { \ 1480 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); \ 1481 error = EINVAL; \ 1482 break; \ 1483 } else { \ 1484 destp = (type *)srcp; \ 1485 } \ 1486 } 1487 1488 static int 1489 sctp_getopt(struct socket *so, int optname, void *optval, size_t *optsize, 1490 void *p) 1491 { 1492 struct sctp_inpcb *inp = NULL; 1493 int error, val = 0; 1494 struct sctp_tcb *stcb = NULL; 1495 1496 if (optval == NULL) { 1497 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1498 return (EINVAL); 1499 } 1500 1501 inp = (struct sctp_inpcb *)so->so_pcb; 1502 if (inp == NULL) { 1503 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1504 return EINVAL; 1505 } 1506 error = 0; 1507 1508 switch (optname) { 1509 case SCTP_NODELAY: 1510 case SCTP_AUTOCLOSE: 1511 case SCTP_EXPLICIT_EOR: 1512 case SCTP_AUTO_ASCONF: 1513 case SCTP_DISABLE_FRAGMENTS: 1514 case SCTP_I_WANT_MAPPED_V4_ADDR: 1515 case SCTP_USE_EXT_RCVINFO: 1516 SCTP_INP_RLOCK(inp); 1517 switch (optname) { 1518 case SCTP_DISABLE_FRAGMENTS: 1519 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NO_FRAGMENT); 1520 break; 1521 case SCTP_I_WANT_MAPPED_V4_ADDR: 1522 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4); 1523 break; 1524 case SCTP_AUTO_ASCONF: 1525 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 1526 /* only valid for bound all sockets */ 1527 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTO_ASCONF); 1528 } else { 1529 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1530 error = EINVAL; 1531 goto flags_out; 1532 } 1533 break; 1534 case SCTP_EXPLICIT_EOR: 1535 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_EXPLICIT_EOR); 1536 break; 1537 case SCTP_NODELAY: 1538 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NODELAY); 1539 break; 1540 case SCTP_USE_EXT_RCVINFO: 1541 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_EXT_RCVINFO); 1542 break; 1543 case SCTP_AUTOCLOSE: 1544 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTOCLOSE)) 1545 val = sctp_ticks_to_secs(inp->sctp_ep.auto_close_time); 1546 else 1547 val = 0; 1548 break; 1549 1550 default: 1551 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 1552 error = ENOPROTOOPT; 1553 } /* end switch (sopt->sopt_name) */ 1554 if (*optsize < sizeof(val)) { 1555 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1556 error = EINVAL; 1557 } 1558 flags_out: 1559 SCTP_INP_RUNLOCK(inp); 1560 if (error == 0) { 1561 /* return the option value */ 1562 *(int *)optval = val; 1563 *optsize = sizeof(val); 1564 } 1565 break; 1566 case SCTP_GET_PACKET_LOG: 1567 { 1568 #ifdef SCTP_PACKET_LOGGING 1569 uint8_t *target; 1570 int ret; 1571 1572 SCTP_CHECK_AND_CAST(target, optval, uint8_t, *optsize); 1573 ret = sctp_copy_out_packet_log(target, (int)*optsize); 1574 *optsize = ret; 1575 #else 1576 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 1577 error = EOPNOTSUPP; 1578 #endif 1579 break; 1580 } 1581 case SCTP_REUSE_PORT: 1582 { 1583 uint32_t *value; 1584 1585 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE)) { 1586 /* Can't do this for a 1-m socket */ 1587 error = EINVAL; 1588 break; 1589 } 1590 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1591 *value = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE); 1592 *optsize = sizeof(uint32_t); 1593 break; 1594 } 1595 case SCTP_PARTIAL_DELIVERY_POINT: 1596 { 1597 uint32_t *value; 1598 1599 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1600 *value = inp->partial_delivery_point; 1601 *optsize = sizeof(uint32_t); 1602 break; 1603 } 1604 case SCTP_FRAGMENT_INTERLEAVE: 1605 { 1606 uint32_t *value; 1607 1608 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1609 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE)) { 1610 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS)) { 1611 *value = SCTP_FRAG_LEVEL_2; 1612 } else { 1613 *value = SCTP_FRAG_LEVEL_1; 1614 } 1615 } else { 1616 *value = SCTP_FRAG_LEVEL_0; 1617 } 1618 *optsize = sizeof(uint32_t); 1619 break; 1620 } 1621 case SCTP_INTERLEAVING_SUPPORTED: 1622 { 1623 struct sctp_assoc_value *av; 1624 1625 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1626 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1627 1628 if (stcb) { 1629 av->assoc_value = stcb->asoc.idata_supported; 1630 SCTP_TCB_UNLOCK(stcb); 1631 } else { 1632 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1633 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1634 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 1635 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 1636 SCTP_INP_RLOCK(inp); 1637 if (inp->idata_supported) { 1638 av->assoc_value = 1; 1639 } else { 1640 av->assoc_value = 0; 1641 } 1642 SCTP_INP_RUNLOCK(inp); 1643 } else { 1644 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1645 error = EINVAL; 1646 } 1647 } 1648 if (error == 0) { 1649 *optsize = sizeof(struct sctp_assoc_value); 1650 } 1651 break; 1652 } 1653 case SCTP_CMT_ON_OFF: 1654 { 1655 struct sctp_assoc_value *av; 1656 1657 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1658 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1659 if (stcb) { 1660 av->assoc_value = stcb->asoc.sctp_cmt_on_off; 1661 SCTP_TCB_UNLOCK(stcb); 1662 } else { 1663 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1664 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1665 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 1666 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 1667 SCTP_INP_RLOCK(inp); 1668 av->assoc_value = inp->sctp_cmt_on_off; 1669 SCTP_INP_RUNLOCK(inp); 1670 } else { 1671 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1672 error = EINVAL; 1673 } 1674 } 1675 if (error == 0) { 1676 *optsize = sizeof(struct sctp_assoc_value); 1677 } 1678 break; 1679 } 1680 case SCTP_PLUGGABLE_CC: 1681 { 1682 struct sctp_assoc_value *av; 1683 1684 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1685 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1686 if (stcb) { 1687 av->assoc_value = stcb->asoc.congestion_control_module; 1688 SCTP_TCB_UNLOCK(stcb); 1689 } else { 1690 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1691 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1692 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 1693 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 1694 SCTP_INP_RLOCK(inp); 1695 av->assoc_value = inp->sctp_ep.sctp_default_cc_module; 1696 SCTP_INP_RUNLOCK(inp); 1697 } else { 1698 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1699 error = EINVAL; 1700 } 1701 } 1702 if (error == 0) { 1703 *optsize = sizeof(struct sctp_assoc_value); 1704 } 1705 break; 1706 } 1707 case SCTP_CC_OPTION: 1708 { 1709 struct sctp_cc_option *cc_opt; 1710 1711 SCTP_CHECK_AND_CAST(cc_opt, optval, struct sctp_cc_option, *optsize); 1712 SCTP_FIND_STCB(inp, stcb, cc_opt->aid_value.assoc_id); 1713 if (stcb == NULL) { 1714 error = EINVAL; 1715 } else { 1716 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option == NULL) { 1717 error = ENOTSUP; 1718 } else { 1719 error = (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 0, cc_opt); 1720 *optsize = sizeof(struct sctp_cc_option); 1721 } 1722 SCTP_TCB_UNLOCK(stcb); 1723 } 1724 break; 1725 } 1726 case SCTP_STREAM_SCHEDULER: 1727 { 1728 struct sctp_assoc_value *av; 1729 1730 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1731 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1732 if (stcb) { 1733 av->assoc_value = stcb->asoc.stream_scheduling_module; 1734 SCTP_TCB_UNLOCK(stcb); 1735 } else { 1736 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1737 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1738 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 1739 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 1740 SCTP_INP_RLOCK(inp); 1741 av->assoc_value = inp->sctp_ep.sctp_default_ss_module; 1742 SCTP_INP_RUNLOCK(inp); 1743 } else { 1744 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1745 error = EINVAL; 1746 } 1747 } 1748 if (error == 0) { 1749 *optsize = sizeof(struct sctp_assoc_value); 1750 } 1751 break; 1752 } 1753 case SCTP_STREAM_SCHEDULER_VALUE: 1754 { 1755 struct sctp_stream_value *av; 1756 1757 SCTP_CHECK_AND_CAST(av, optval, struct sctp_stream_value, *optsize); 1758 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1759 if (stcb) { 1760 if ((av->stream_id >= stcb->asoc.streamoutcnt) || 1761 (stcb->asoc.ss_functions.sctp_ss_get_value(stcb, &stcb->asoc, &stcb->asoc.strmout[av->stream_id], 1762 &av->stream_value) < 0)) { 1763 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1764 error = EINVAL; 1765 } else { 1766 *optsize = sizeof(struct sctp_stream_value); 1767 } 1768 SCTP_TCB_UNLOCK(stcb); 1769 } else { 1770 /* 1771 * Can't get stream value without 1772 * association 1773 */ 1774 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1775 error = EINVAL; 1776 } 1777 break; 1778 } 1779 case SCTP_GET_ADDR_LEN: 1780 { 1781 struct sctp_assoc_value *av; 1782 1783 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1784 error = EINVAL; 1785 #ifdef INET 1786 if (av->assoc_value == AF_INET) { 1787 av->assoc_value = sizeof(struct sockaddr_in); 1788 error = 0; 1789 } 1790 #endif 1791 #ifdef INET6 1792 if (av->assoc_value == AF_INET6) { 1793 av->assoc_value = sizeof(struct sockaddr_in6); 1794 error = 0; 1795 } 1796 #endif 1797 if (error) { 1798 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1799 } else { 1800 *optsize = sizeof(struct sctp_assoc_value); 1801 } 1802 break; 1803 } 1804 case SCTP_GET_ASSOC_NUMBER: 1805 { 1806 uint32_t *value, cnt; 1807 1808 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 1809 SCTP_INP_RLOCK(inp); 1810 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1811 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 1812 /* Can't do this for a 1-1 socket */ 1813 error = EINVAL; 1814 SCTP_INP_RUNLOCK(inp); 1815 break; 1816 } 1817 cnt = 0; 1818 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 1819 cnt++; 1820 } 1821 SCTP_INP_RUNLOCK(inp); 1822 *value = cnt; 1823 *optsize = sizeof(uint32_t); 1824 break; 1825 } 1826 case SCTP_GET_ASSOC_ID_LIST: 1827 { 1828 struct sctp_assoc_ids *ids; 1829 uint32_t at; 1830 size_t limit; 1831 1832 SCTP_CHECK_AND_CAST(ids, optval, struct sctp_assoc_ids, *optsize); 1833 SCTP_INP_RLOCK(inp); 1834 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1835 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 1836 /* Can't do this for a 1-1 socket */ 1837 error = EINVAL; 1838 SCTP_INP_RUNLOCK(inp); 1839 break; 1840 } 1841 at = 0; 1842 limit = (*optsize - sizeof(uint32_t)) / sizeof(sctp_assoc_t); 1843 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 1844 if (at < limit) { 1845 ids->gaids_assoc_id[at++] = sctp_get_associd(stcb); 1846 if (at == 0) { 1847 error = EINVAL; 1848 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1849 break; 1850 } 1851 } else { 1852 error = EINVAL; 1853 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1854 break; 1855 } 1856 } 1857 SCTP_INP_RUNLOCK(inp); 1858 if (error == 0) { 1859 ids->gaids_number_of_ids = at; 1860 *optsize = ((at * sizeof(sctp_assoc_t)) + sizeof(uint32_t)); 1861 } 1862 break; 1863 } 1864 case SCTP_CONTEXT: 1865 { 1866 struct sctp_assoc_value *av; 1867 1868 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1869 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1870 1871 if (stcb) { 1872 av->assoc_value = stcb->asoc.context; 1873 SCTP_TCB_UNLOCK(stcb); 1874 } else { 1875 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1876 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1877 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 1878 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 1879 SCTP_INP_RLOCK(inp); 1880 av->assoc_value = inp->sctp_context; 1881 SCTP_INP_RUNLOCK(inp); 1882 } else { 1883 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1884 error = EINVAL; 1885 } 1886 } 1887 if (error == 0) { 1888 *optsize = sizeof(struct sctp_assoc_value); 1889 } 1890 break; 1891 } 1892 case SCTP_VRF_ID: 1893 { 1894 uint32_t *default_vrfid; 1895 1896 SCTP_CHECK_AND_CAST(default_vrfid, optval, uint32_t, *optsize); 1897 *default_vrfid = inp->def_vrf_id; 1898 *optsize = sizeof(uint32_t); 1899 break; 1900 } 1901 case SCTP_GET_ASOC_VRF: 1902 { 1903 struct sctp_assoc_value *id; 1904 1905 SCTP_CHECK_AND_CAST(id, optval, struct sctp_assoc_value, *optsize); 1906 SCTP_FIND_STCB(inp, stcb, id->assoc_id); 1907 if (stcb == NULL) { 1908 error = EINVAL; 1909 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 1910 } else { 1911 id->assoc_value = stcb->asoc.vrf_id; 1912 SCTP_TCB_UNLOCK(stcb); 1913 *optsize = sizeof(struct sctp_assoc_value); 1914 } 1915 break; 1916 } 1917 case SCTP_GET_VRF_IDS: 1918 { 1919 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 1920 error = EOPNOTSUPP; 1921 break; 1922 } 1923 case SCTP_GET_NONCE_VALUES: 1924 { 1925 struct sctp_get_nonce_values *gnv; 1926 1927 SCTP_CHECK_AND_CAST(gnv, optval, struct sctp_get_nonce_values, *optsize); 1928 SCTP_FIND_STCB(inp, stcb, gnv->gn_assoc_id); 1929 1930 if (stcb) { 1931 gnv->gn_peers_tag = stcb->asoc.peer_vtag; 1932 gnv->gn_local_tag = stcb->asoc.my_vtag; 1933 SCTP_TCB_UNLOCK(stcb); 1934 *optsize = sizeof(struct sctp_get_nonce_values); 1935 } else { 1936 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 1937 error = ENOTCONN; 1938 } 1939 break; 1940 } 1941 case SCTP_DELAYED_SACK: 1942 { 1943 struct sctp_sack_info *sack; 1944 1945 SCTP_CHECK_AND_CAST(sack, optval, struct sctp_sack_info, *optsize); 1946 SCTP_FIND_STCB(inp, stcb, sack->sack_assoc_id); 1947 if (stcb) { 1948 sack->sack_delay = stcb->asoc.delayed_ack; 1949 sack->sack_freq = stcb->asoc.sack_freq; 1950 SCTP_TCB_UNLOCK(stcb); 1951 } else { 1952 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 1953 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 1954 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 1955 (sack->sack_assoc_id == SCTP_FUTURE_ASSOC))) { 1956 SCTP_INP_RLOCK(inp); 1957 sack->sack_delay = sctp_ticks_to_msecs(inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV]); 1958 sack->sack_freq = inp->sctp_ep.sctp_sack_freq; 1959 SCTP_INP_RUNLOCK(inp); 1960 } else { 1961 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 1962 error = EINVAL; 1963 } 1964 } 1965 if (error == 0) { 1966 *optsize = sizeof(struct sctp_sack_info); 1967 } 1968 break; 1969 } 1970 case SCTP_GET_SNDBUF_USE: 1971 { 1972 struct sctp_sockstat *ss; 1973 1974 SCTP_CHECK_AND_CAST(ss, optval, struct sctp_sockstat, *optsize); 1975 SCTP_FIND_STCB(inp, stcb, ss->ss_assoc_id); 1976 1977 if (stcb) { 1978 ss->ss_total_sndbuf = stcb->asoc.total_output_queue_size; 1979 ss->ss_total_recv_buf = (stcb->asoc.size_on_reasm_queue + 1980 stcb->asoc.size_on_all_streams); 1981 SCTP_TCB_UNLOCK(stcb); 1982 *optsize = sizeof(struct sctp_sockstat); 1983 } else { 1984 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 1985 error = ENOTCONN; 1986 } 1987 break; 1988 } 1989 case SCTP_MAX_BURST: 1990 { 1991 struct sctp_assoc_value *av; 1992 1993 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 1994 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 1995 1996 if (stcb) { 1997 av->assoc_value = stcb->asoc.max_burst; 1998 SCTP_TCB_UNLOCK(stcb); 1999 } else { 2000 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2001 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2002 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2003 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 2004 SCTP_INP_RLOCK(inp); 2005 av->assoc_value = inp->sctp_ep.max_burst; 2006 SCTP_INP_RUNLOCK(inp); 2007 } else { 2008 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2009 error = EINVAL; 2010 } 2011 } 2012 if (error == 0) { 2013 *optsize = sizeof(struct sctp_assoc_value); 2014 } 2015 break; 2016 } 2017 case SCTP_MAXSEG: 2018 { 2019 struct sctp_assoc_value *av; 2020 2021 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 2022 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 2023 2024 if (stcb) { 2025 av->assoc_value = stcb->asoc.sctp_frag_point; 2026 SCTP_TCB_UNLOCK(stcb); 2027 } else { 2028 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2029 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2030 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2031 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 2032 SCTP_INP_RLOCK(inp); 2033 av->assoc_value = inp->sctp_frag_point; 2034 SCTP_INP_RUNLOCK(inp); 2035 } else { 2036 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2037 error = EINVAL; 2038 } 2039 } 2040 if (error == 0) { 2041 *optsize = sizeof(struct sctp_assoc_value); 2042 } 2043 break; 2044 } 2045 case SCTP_GET_STAT_LOG: 2046 error = sctp_fill_stat_log(optval, optsize); 2047 break; 2048 case SCTP_EVENTS: 2049 { 2050 struct sctp_event_subscribe *events; 2051 2052 SCTP_CHECK_AND_CAST(events, optval, struct sctp_event_subscribe, *optsize); 2053 memset(events, 0, sizeof(struct sctp_event_subscribe)); 2054 SCTP_INP_RLOCK(inp); 2055 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT)) 2056 events->sctp_data_io_event = 1; 2057 2058 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT)) 2059 events->sctp_association_event = 1; 2060 2061 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVPADDREVNT)) 2062 events->sctp_address_event = 1; 2063 2064 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT)) 2065 events->sctp_send_failure_event = 1; 2066 2067 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVPEERERR)) 2068 events->sctp_peer_error_event = 1; 2069 2070 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT)) 2071 events->sctp_shutdown_event = 1; 2072 2073 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PDAPIEVNT)) 2074 events->sctp_partial_delivery_event = 1; 2075 2076 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT)) 2077 events->sctp_adaptation_layer_event = 1; 2078 2079 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTHEVNT)) 2080 events->sctp_authentication_event = 1; 2081 2082 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_DRYEVNT)) 2083 events->sctp_sender_dry_event = 1; 2084 2085 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT)) 2086 events->sctp_stream_reset_event = 1; 2087 SCTP_INP_RUNLOCK(inp); 2088 *optsize = sizeof(struct sctp_event_subscribe); 2089 break; 2090 } 2091 case SCTP_ADAPTATION_LAYER: 2092 { 2093 uint32_t *value; 2094 2095 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2096 2097 SCTP_INP_RLOCK(inp); 2098 *value = inp->sctp_ep.adaptation_layer_indicator; 2099 SCTP_INP_RUNLOCK(inp); 2100 *optsize = sizeof(uint32_t); 2101 break; 2102 } 2103 case SCTP_SET_INITIAL_DBG_SEQ: 2104 { 2105 uint32_t *value; 2106 2107 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2108 SCTP_INP_RLOCK(inp); 2109 *value = inp->sctp_ep.initial_sequence_debug; 2110 SCTP_INP_RUNLOCK(inp); 2111 *optsize = sizeof(uint32_t); 2112 break; 2113 } 2114 case SCTP_GET_LOCAL_ADDR_SIZE: 2115 { 2116 uint32_t *value; 2117 2118 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2119 SCTP_INP_RLOCK(inp); 2120 *value = (uint32_t)sctp_max_size_addresses(inp); 2121 SCTP_INP_RUNLOCK(inp); 2122 *optsize = sizeof(uint32_t); 2123 break; 2124 } 2125 case SCTP_GET_REMOTE_ADDR_SIZE: 2126 { 2127 uint32_t *value; 2128 struct sctp_nets *net; 2129 size_t size; 2130 2131 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize); 2132 /* FIXME MT: change to sctp_assoc_value? */ 2133 SCTP_FIND_STCB(inp, stcb, (sctp_assoc_t)*value); 2134 2135 if (stcb != NULL) { 2136 size = 0; 2137 /* Count the sizes */ 2138 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 2139 switch (net->ro._l_addr.sa.sa_family) { 2140 #ifdef INET 2141 case AF_INET: 2142 #ifdef INET6 2143 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 2144 size += sizeof(struct sockaddr_in6); 2145 } else { 2146 size += sizeof(struct sockaddr_in); 2147 } 2148 #else 2149 size += sizeof(struct sockaddr_in); 2150 #endif 2151 break; 2152 #endif 2153 #ifdef INET6 2154 case AF_INET6: 2155 size += sizeof(struct sockaddr_in6); 2156 break; 2157 #endif 2158 default: 2159 break; 2160 } 2161 } 2162 SCTP_TCB_UNLOCK(stcb); 2163 *value = (uint32_t)size; 2164 *optsize = sizeof(uint32_t); 2165 } else { 2166 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2167 ((sctp_assoc_t)*value <= SCTP_ALL_ASSOC)) { 2168 error = EINVAL; 2169 } else { 2170 error = ENOENT; 2171 } 2172 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2173 } 2174 break; 2175 } 2176 case SCTP_GET_PEER_ADDRESSES: 2177 /* 2178 * Get the address information, an array is passed in to 2179 * fill up we pack it. 2180 */ 2181 { 2182 size_t cpsz, left; 2183 struct sockaddr *addr; 2184 struct sctp_nets *net; 2185 struct sctp_getaddresses *saddr; 2186 2187 SCTP_CHECK_AND_CAST(saddr, optval, struct sctp_getaddresses, *optsize); 2188 SCTP_FIND_STCB(inp, stcb, saddr->sget_assoc_id); 2189 2190 if (stcb != NULL) { 2191 left = *optsize - offsetof(struct sctp_getaddresses, addr); 2192 *optsize = offsetof(struct sctp_getaddresses, addr); 2193 addr = &saddr->addr[0].sa; 2194 2195 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 2196 switch (net->ro._l_addr.sa.sa_family) { 2197 #ifdef INET 2198 case AF_INET: 2199 #ifdef INET6 2200 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 2201 cpsz = sizeof(struct sockaddr_in6); 2202 } else { 2203 cpsz = sizeof(struct sockaddr_in); 2204 } 2205 #else 2206 cpsz = sizeof(struct sockaddr_in); 2207 #endif 2208 break; 2209 #endif 2210 #ifdef INET6 2211 case AF_INET6: 2212 cpsz = sizeof(struct sockaddr_in6); 2213 break; 2214 #endif 2215 default: 2216 cpsz = 0; 2217 break; 2218 } 2219 if (cpsz == 0) { 2220 break; 2221 } 2222 if (left < cpsz) { 2223 /* not enough room. */ 2224 break; 2225 } 2226 #if defined(INET) && defined(INET6) 2227 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) && 2228 (net->ro._l_addr.sa.sa_family == AF_INET)) { 2229 /* Must map the address */ 2230 in6_sin_2_v4mapsin6(&net->ro._l_addr.sin, 2231 (struct sockaddr_in6 *)addr); 2232 } else { 2233 memcpy(addr, &net->ro._l_addr, cpsz); 2234 } 2235 #else 2236 memcpy(addr, &net->ro._l_addr, cpsz); 2237 #endif 2238 ((struct sockaddr_in *)addr)->sin_port = stcb->rport; 2239 2240 addr = (struct sockaddr *)((caddr_t)addr + cpsz); 2241 left -= cpsz; 2242 *optsize += cpsz; 2243 } 2244 SCTP_TCB_UNLOCK(stcb); 2245 } else { 2246 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2247 (saddr->sget_assoc_id <= SCTP_ALL_ASSOC)) { 2248 error = EINVAL; 2249 } else { 2250 error = ENOENT; 2251 } 2252 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2253 } 2254 break; 2255 } 2256 case SCTP_GET_LOCAL_ADDRESSES: 2257 { 2258 size_t limit, actual; 2259 struct sctp_getaddresses *saddr; 2260 2261 SCTP_CHECK_AND_CAST(saddr, optval, struct sctp_getaddresses, *optsize); 2262 SCTP_FIND_STCB(inp, stcb, saddr->sget_assoc_id); 2263 2264 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2265 ((saddr->sget_assoc_id == SCTP_CURRENT_ASSOC) || 2266 (saddr->sget_assoc_id == SCTP_ALL_ASSOC))) { 2267 error = EINVAL; 2268 } else { 2269 limit = *optsize - offsetof(struct sctp_getaddresses, addr); 2270 actual = sctp_fill_up_addresses(inp, stcb, limit, &saddr->addr[0].sa); 2271 *optsize = offsetof(struct sctp_getaddresses, addr) + actual; 2272 } 2273 if (stcb != NULL) { 2274 SCTP_TCB_UNLOCK(stcb); 2275 } 2276 break; 2277 } 2278 case SCTP_PEER_ADDR_PARAMS: 2279 { 2280 struct sctp_paddrparams *paddrp; 2281 struct sctp_nets *net; 2282 struct sockaddr *addr; 2283 #if defined(INET) && defined(INET6) 2284 struct sockaddr_in sin_store; 2285 #endif 2286 2287 SCTP_CHECK_AND_CAST(paddrp, optval, struct sctp_paddrparams, *optsize); 2288 SCTP_FIND_STCB(inp, stcb, paddrp->spp_assoc_id); 2289 2290 #if defined(INET) && defined(INET6) 2291 if (paddrp->spp_address.ss_family == AF_INET6) { 2292 struct sockaddr_in6 *sin6; 2293 2294 sin6 = (struct sockaddr_in6 *)&paddrp->spp_address; 2295 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 2296 in6_sin6_2_sin(&sin_store, sin6); 2297 addr = (struct sockaddr *)&sin_store; 2298 } else { 2299 addr = (struct sockaddr *)&paddrp->spp_address; 2300 } 2301 } else { 2302 addr = (struct sockaddr *)&paddrp->spp_address; 2303 } 2304 #else 2305 addr = (struct sockaddr *)&paddrp->spp_address; 2306 #endif 2307 if (stcb != NULL) { 2308 net = sctp_findnet(stcb, addr); 2309 } else { 2310 /* 2311 * We increment here since 2312 * sctp_findassociation_ep_addr() wil do a 2313 * decrement if it finds the stcb as long as 2314 * the locked tcb (last argument) is NOT a 2315 * TCB.. aka NULL. 2316 */ 2317 net = NULL; 2318 SCTP_INP_INCR_REF(inp); 2319 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 2320 if (stcb == NULL) { 2321 SCTP_INP_DECR_REF(inp); 2322 } 2323 } 2324 if ((stcb != NULL) && (net == NULL)) { 2325 #ifdef INET 2326 if (addr->sa_family == AF_INET) { 2327 struct sockaddr_in *sin; 2328 2329 sin = (struct sockaddr_in *)addr; 2330 if (sin->sin_addr.s_addr != INADDR_ANY) { 2331 error = EINVAL; 2332 SCTP_TCB_UNLOCK(stcb); 2333 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2334 break; 2335 } 2336 } else 2337 #endif 2338 #ifdef INET6 2339 if (addr->sa_family == AF_INET6) { 2340 struct sockaddr_in6 *sin6; 2341 2342 sin6 = (struct sockaddr_in6 *)addr; 2343 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 2344 error = EINVAL; 2345 SCTP_TCB_UNLOCK(stcb); 2346 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2347 break; 2348 } 2349 } else 2350 #endif 2351 { 2352 error = EAFNOSUPPORT; 2353 SCTP_TCB_UNLOCK(stcb); 2354 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2355 break; 2356 } 2357 } 2358 2359 if (stcb != NULL) { 2360 /* Applies to the specific association */ 2361 paddrp->spp_flags = 0; 2362 if (net != NULL) { 2363 paddrp->spp_hbinterval = net->heart_beat_delay; 2364 paddrp->spp_pathmaxrxt = net->failure_threshold; 2365 paddrp->spp_pathmtu = net->mtu; 2366 switch (net->ro._l_addr.sa.sa_family) { 2367 #ifdef INET 2368 case AF_INET: 2369 paddrp->spp_pathmtu -= SCTP_MIN_V4_OVERHEAD; 2370 break; 2371 #endif 2372 #ifdef INET6 2373 case AF_INET6: 2374 paddrp->spp_pathmtu -= SCTP_MIN_OVERHEAD; 2375 break; 2376 #endif 2377 default: 2378 break; 2379 } 2380 /* get flags for HB */ 2381 if (net->dest_state & SCTP_ADDR_NOHB) { 2382 paddrp->spp_flags |= SPP_HB_DISABLE; 2383 } else { 2384 paddrp->spp_flags |= SPP_HB_ENABLE; 2385 } 2386 /* get flags for PMTU */ 2387 if (net->dest_state & SCTP_ADDR_NO_PMTUD) { 2388 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2389 } else { 2390 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2391 } 2392 if (net->dscp & 0x01) { 2393 paddrp->spp_dscp = net->dscp & 0xfc; 2394 paddrp->spp_flags |= SPP_DSCP; 2395 } 2396 #ifdef INET6 2397 if ((net->ro._l_addr.sa.sa_family == AF_INET6) && 2398 (net->flowlabel & 0x80000000)) { 2399 paddrp->spp_ipv6_flowlabel = net->flowlabel & 0x000fffff; 2400 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2401 } 2402 #endif 2403 } else { 2404 /* 2405 * No destination so return default 2406 * value 2407 */ 2408 paddrp->spp_pathmaxrxt = stcb->asoc.def_net_failure; 2409 paddrp->spp_pathmtu = stcb->asoc.default_mtu; 2410 if (stcb->asoc.default_dscp & 0x01) { 2411 paddrp->spp_dscp = stcb->asoc.default_dscp & 0xfc; 2412 paddrp->spp_flags |= SPP_DSCP; 2413 } 2414 #ifdef INET6 2415 if (stcb->asoc.default_flowlabel & 0x80000000) { 2416 paddrp->spp_ipv6_flowlabel = stcb->asoc.default_flowlabel & 0x000fffff; 2417 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2418 } 2419 #endif 2420 /* default settings should be these */ 2421 if (sctp_stcb_is_feature_on(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT)) { 2422 paddrp->spp_flags |= SPP_HB_DISABLE; 2423 } else { 2424 paddrp->spp_flags |= SPP_HB_ENABLE; 2425 } 2426 if (sctp_stcb_is_feature_on(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD)) { 2427 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2428 } else { 2429 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2430 } 2431 paddrp->spp_hbinterval = stcb->asoc.heart_beat_delay; 2432 } 2433 paddrp->spp_assoc_id = sctp_get_associd(stcb); 2434 SCTP_TCB_UNLOCK(stcb); 2435 } else { 2436 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2437 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2438 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2439 (paddrp->spp_assoc_id == SCTP_FUTURE_ASSOC))) { 2440 /* Use endpoint defaults */ 2441 SCTP_INP_RLOCK(inp); 2442 paddrp->spp_pathmaxrxt = inp->sctp_ep.def_net_failure; 2443 paddrp->spp_hbinterval = sctp_ticks_to_msecs(inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT]); 2444 paddrp->spp_assoc_id = SCTP_FUTURE_ASSOC; 2445 /* get inp's default */ 2446 if (inp->sctp_ep.default_dscp & 0x01) { 2447 paddrp->spp_dscp = inp->sctp_ep.default_dscp & 0xfc; 2448 paddrp->spp_flags |= SPP_DSCP; 2449 } 2450 #ifdef INET6 2451 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) && 2452 (inp->sctp_ep.default_flowlabel & 0x80000000)) { 2453 paddrp->spp_ipv6_flowlabel = inp->sctp_ep.default_flowlabel & 0x000fffff; 2454 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL; 2455 } 2456 #endif 2457 paddrp->spp_pathmtu = inp->sctp_ep.default_mtu; 2458 2459 if (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT)) { 2460 paddrp->spp_flags |= SPP_HB_ENABLE; 2461 } else { 2462 paddrp->spp_flags |= SPP_HB_DISABLE; 2463 } 2464 if (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD)) { 2465 paddrp->spp_flags |= SPP_PMTUD_ENABLE; 2466 } else { 2467 paddrp->spp_flags |= SPP_PMTUD_DISABLE; 2468 } 2469 SCTP_INP_RUNLOCK(inp); 2470 } else { 2471 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2472 error = EINVAL; 2473 } 2474 } 2475 if (error == 0) { 2476 *optsize = sizeof(struct sctp_paddrparams); 2477 } 2478 break; 2479 } 2480 case SCTP_GET_PEER_ADDR_INFO: 2481 { 2482 struct sctp_paddrinfo *paddri; 2483 struct sctp_nets *net; 2484 struct sockaddr *addr; 2485 #if defined(INET) && defined(INET6) 2486 struct sockaddr_in sin_store; 2487 #endif 2488 2489 SCTP_CHECK_AND_CAST(paddri, optval, struct sctp_paddrinfo, *optsize); 2490 SCTP_FIND_STCB(inp, stcb, paddri->spinfo_assoc_id); 2491 2492 #if defined(INET) && defined(INET6) 2493 if (paddri->spinfo_address.ss_family == AF_INET6) { 2494 struct sockaddr_in6 *sin6; 2495 2496 sin6 = (struct sockaddr_in6 *)&paddri->spinfo_address; 2497 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 2498 in6_sin6_2_sin(&sin_store, sin6); 2499 addr = (struct sockaddr *)&sin_store; 2500 } else { 2501 addr = (struct sockaddr *)&paddri->spinfo_address; 2502 } 2503 } else { 2504 addr = (struct sockaddr *)&paddri->spinfo_address; 2505 } 2506 #else 2507 addr = (struct sockaddr *)&paddri->spinfo_address; 2508 #endif 2509 if (stcb != NULL) { 2510 net = sctp_findnet(stcb, addr); 2511 } else { 2512 /* 2513 * We increment here since 2514 * sctp_findassociation_ep_addr() wil do a 2515 * decrement if it finds the stcb as long as 2516 * the locked tcb (last argument) is NOT a 2517 * TCB.. aka NULL. 2518 */ 2519 net = NULL; 2520 SCTP_INP_INCR_REF(inp); 2521 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 2522 if (stcb == NULL) { 2523 SCTP_INP_DECR_REF(inp); 2524 } 2525 } 2526 2527 if ((stcb != NULL) && (net != NULL)) { 2528 if (net->dest_state & SCTP_ADDR_UNCONFIRMED) { 2529 /* It's unconfirmed */ 2530 paddri->spinfo_state = SCTP_UNCONFIRMED; 2531 } else if (net->dest_state & SCTP_ADDR_REACHABLE) { 2532 /* It's active */ 2533 paddri->spinfo_state = SCTP_ACTIVE; 2534 } else { 2535 /* It's inactive */ 2536 paddri->spinfo_state = SCTP_INACTIVE; 2537 } 2538 paddri->spinfo_cwnd = net->cwnd; 2539 paddri->spinfo_srtt = net->lastsa >> SCTP_RTT_SHIFT; 2540 paddri->spinfo_rto = net->RTO; 2541 paddri->spinfo_assoc_id = sctp_get_associd(stcb); 2542 paddri->spinfo_mtu = net->mtu; 2543 switch (addr->sa_family) { 2544 #if defined(INET) 2545 case AF_INET: 2546 paddri->spinfo_mtu -= SCTP_MIN_V4_OVERHEAD; 2547 break; 2548 #endif 2549 #if defined(INET6) 2550 case AF_INET6: 2551 paddri->spinfo_mtu -= SCTP_MIN_OVERHEAD; 2552 break; 2553 #endif 2554 default: 2555 break; 2556 } 2557 SCTP_TCB_UNLOCK(stcb); 2558 *optsize = sizeof(struct sctp_paddrinfo); 2559 } else { 2560 if (stcb != NULL) { 2561 SCTP_TCB_UNLOCK(stcb); 2562 } 2563 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 2564 error = ENOENT; 2565 } 2566 break; 2567 } 2568 case SCTP_PCB_STATUS: 2569 { 2570 struct sctp_pcbinfo *spcb; 2571 2572 SCTP_CHECK_AND_CAST(spcb, optval, struct sctp_pcbinfo, *optsize); 2573 sctp_fill_pcbinfo(spcb); 2574 *optsize = sizeof(struct sctp_pcbinfo); 2575 break; 2576 } 2577 case SCTP_STATUS: 2578 { 2579 struct sctp_nets *net; 2580 struct sctp_status *sstat; 2581 2582 SCTP_CHECK_AND_CAST(sstat, optval, struct sctp_status, *optsize); 2583 SCTP_FIND_STCB(inp, stcb, sstat->sstat_assoc_id); 2584 2585 if (stcb == NULL) { 2586 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2587 error = EINVAL; 2588 break; 2589 } 2590 sstat->sstat_state = sctp_map_assoc_state(stcb->asoc.state); 2591 sstat->sstat_assoc_id = sctp_get_associd(stcb); 2592 sstat->sstat_rwnd = stcb->asoc.peers_rwnd; 2593 sstat->sstat_unackdata = stcb->asoc.sent_queue_cnt; 2594 /* 2595 * We can't include chunks that have been passed to 2596 * the socket layer. Only things in queue. 2597 */ 2598 sstat->sstat_penddata = (stcb->asoc.cnt_on_reasm_queue + 2599 stcb->asoc.cnt_on_all_streams); 2600 sstat->sstat_instrms = stcb->asoc.streamincnt; 2601 sstat->sstat_outstrms = stcb->asoc.streamoutcnt; 2602 sstat->sstat_fragmentation_point = sctp_get_frag_point(stcb); 2603 net = stcb->asoc.primary_destination; 2604 if (net != NULL) { 2605 memcpy(&sstat->sstat_primary.spinfo_address, 2606 &net->ro._l_addr, 2607 ((struct sockaddr *)(&net->ro._l_addr))->sa_len); 2608 ((struct sockaddr_in *)&sstat->sstat_primary.spinfo_address)->sin_port = stcb->rport; 2609 /* 2610 * Again the user can get info from 2611 * sctp_constants.h for what the state of 2612 * the network is. 2613 */ 2614 if (net->dest_state & SCTP_ADDR_UNCONFIRMED) { 2615 /* It's unconfirmed */ 2616 sstat->sstat_primary.spinfo_state = SCTP_UNCONFIRMED; 2617 } else if (net->dest_state & SCTP_ADDR_REACHABLE) { 2618 /* It's active */ 2619 sstat->sstat_primary.spinfo_state = SCTP_ACTIVE; 2620 } else { 2621 /* It's inactive */ 2622 sstat->sstat_primary.spinfo_state = SCTP_INACTIVE; 2623 } 2624 sstat->sstat_primary.spinfo_cwnd = net->cwnd; 2625 sstat->sstat_primary.spinfo_srtt = net->lastsa >> SCTP_RTT_SHIFT; 2626 sstat->sstat_primary.spinfo_rto = net->RTO; 2627 sstat->sstat_primary.spinfo_mtu = net->mtu; 2628 switch (stcb->asoc.primary_destination->ro._l_addr.sa.sa_family) { 2629 #if defined(INET) 2630 case AF_INET: 2631 sstat->sstat_primary.spinfo_mtu -= SCTP_MIN_V4_OVERHEAD; 2632 break; 2633 #endif 2634 #if defined(INET6) 2635 case AF_INET6: 2636 sstat->sstat_primary.spinfo_mtu -= SCTP_MIN_OVERHEAD; 2637 break; 2638 #endif 2639 default: 2640 break; 2641 } 2642 } else { 2643 memset(&sstat->sstat_primary, 0, sizeof(struct sctp_paddrinfo)); 2644 } 2645 sstat->sstat_primary.spinfo_assoc_id = sctp_get_associd(stcb); 2646 SCTP_TCB_UNLOCK(stcb); 2647 *optsize = sizeof(struct sctp_status); 2648 break; 2649 } 2650 case SCTP_RTOINFO: 2651 { 2652 struct sctp_rtoinfo *srto; 2653 2654 SCTP_CHECK_AND_CAST(srto, optval, struct sctp_rtoinfo, *optsize); 2655 SCTP_FIND_STCB(inp, stcb, srto->srto_assoc_id); 2656 2657 if (stcb) { 2658 srto->srto_initial = stcb->asoc.initial_rto; 2659 srto->srto_max = stcb->asoc.maxrto; 2660 srto->srto_min = stcb->asoc.minrto; 2661 SCTP_TCB_UNLOCK(stcb); 2662 } else { 2663 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2664 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2665 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2666 (srto->srto_assoc_id == SCTP_FUTURE_ASSOC))) { 2667 SCTP_INP_RLOCK(inp); 2668 srto->srto_initial = inp->sctp_ep.initial_rto; 2669 srto->srto_max = inp->sctp_ep.sctp_maxrto; 2670 srto->srto_min = inp->sctp_ep.sctp_minrto; 2671 SCTP_INP_RUNLOCK(inp); 2672 } else { 2673 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2674 error = EINVAL; 2675 } 2676 } 2677 if (error == 0) { 2678 *optsize = sizeof(struct sctp_rtoinfo); 2679 } 2680 break; 2681 } 2682 case SCTP_TIMEOUTS: 2683 { 2684 struct sctp_timeouts *stimo; 2685 2686 SCTP_CHECK_AND_CAST(stimo, optval, struct sctp_timeouts, *optsize); 2687 SCTP_FIND_STCB(inp, stcb, stimo->stimo_assoc_id); 2688 2689 if (stcb) { 2690 stimo->stimo_init = stcb->asoc.timoinit; 2691 stimo->stimo_data = stcb->asoc.timodata; 2692 stimo->stimo_sack = stcb->asoc.timosack; 2693 stimo->stimo_shutdown = stcb->asoc.timoshutdown; 2694 stimo->stimo_heartbeat = stcb->asoc.timoheartbeat; 2695 stimo->stimo_cookie = stcb->asoc.timocookie; 2696 stimo->stimo_shutdownack = stcb->asoc.timoshutdownack; 2697 SCTP_TCB_UNLOCK(stcb); 2698 *optsize = sizeof(struct sctp_timeouts); 2699 } else { 2700 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2701 error = EINVAL; 2702 } 2703 break; 2704 } 2705 case SCTP_ASSOCINFO: 2706 { 2707 struct sctp_assocparams *sasoc; 2708 2709 SCTP_CHECK_AND_CAST(sasoc, optval, struct sctp_assocparams, *optsize); 2710 SCTP_FIND_STCB(inp, stcb, sasoc->sasoc_assoc_id); 2711 2712 if (stcb) { 2713 sasoc->sasoc_cookie_life = sctp_ticks_to_msecs(stcb->asoc.cookie_life); 2714 sasoc->sasoc_asocmaxrxt = stcb->asoc.max_send_times; 2715 sasoc->sasoc_number_peer_destinations = stcb->asoc.numnets; 2716 sasoc->sasoc_peer_rwnd = stcb->asoc.peers_rwnd; 2717 sasoc->sasoc_local_rwnd = stcb->asoc.my_rwnd; 2718 SCTP_TCB_UNLOCK(stcb); 2719 } else { 2720 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2721 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2722 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2723 (sasoc->sasoc_assoc_id == SCTP_FUTURE_ASSOC))) { 2724 SCTP_INP_RLOCK(inp); 2725 sasoc->sasoc_cookie_life = sctp_ticks_to_msecs(inp->sctp_ep.def_cookie_life); 2726 sasoc->sasoc_asocmaxrxt = inp->sctp_ep.max_send_times; 2727 sasoc->sasoc_number_peer_destinations = 0; 2728 sasoc->sasoc_peer_rwnd = 0; 2729 sasoc->sasoc_local_rwnd = (uint32_t)sbspace(&inp->sctp_socket->so_rcv); 2730 SCTP_INP_RUNLOCK(inp); 2731 } else { 2732 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2733 error = EINVAL; 2734 } 2735 } 2736 if (error == 0) { 2737 *optsize = sizeof(struct sctp_assocparams); 2738 } 2739 break; 2740 } 2741 case SCTP_DEFAULT_SEND_PARAM: 2742 { 2743 struct sctp_sndrcvinfo *s_info; 2744 2745 SCTP_CHECK_AND_CAST(s_info, optval, struct sctp_sndrcvinfo, *optsize); 2746 SCTP_FIND_STCB(inp, stcb, s_info->sinfo_assoc_id); 2747 2748 if (stcb) { 2749 memcpy(s_info, &stcb->asoc.def_send, sizeof(stcb->asoc.def_send)); 2750 SCTP_TCB_UNLOCK(stcb); 2751 } else { 2752 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2753 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2754 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2755 (s_info->sinfo_assoc_id == SCTP_FUTURE_ASSOC))) { 2756 SCTP_INP_RLOCK(inp); 2757 memcpy(s_info, &inp->def_send, sizeof(inp->def_send)); 2758 SCTP_INP_RUNLOCK(inp); 2759 } else { 2760 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2761 error = EINVAL; 2762 } 2763 } 2764 if (error == 0) { 2765 *optsize = sizeof(struct sctp_sndrcvinfo); 2766 } 2767 break; 2768 } 2769 case SCTP_INITMSG: 2770 { 2771 struct sctp_initmsg *sinit; 2772 2773 SCTP_CHECK_AND_CAST(sinit, optval, struct sctp_initmsg, *optsize); 2774 SCTP_INP_RLOCK(inp); 2775 sinit->sinit_num_ostreams = inp->sctp_ep.pre_open_stream_count; 2776 sinit->sinit_max_instreams = inp->sctp_ep.max_open_streams_intome; 2777 sinit->sinit_max_attempts = inp->sctp_ep.max_init_times; 2778 sinit->sinit_max_init_timeo = inp->sctp_ep.initial_init_rto_max; 2779 SCTP_INP_RUNLOCK(inp); 2780 *optsize = sizeof(struct sctp_initmsg); 2781 break; 2782 } 2783 case SCTP_PRIMARY_ADDR: 2784 /* we allow a "get" operation on this */ 2785 { 2786 struct sctp_setprim *ssp; 2787 2788 SCTP_CHECK_AND_CAST(ssp, optval, struct sctp_setprim, *optsize); 2789 SCTP_FIND_STCB(inp, stcb, ssp->ssp_assoc_id); 2790 2791 if (stcb) { 2792 union sctp_sockstore *addr; 2793 2794 addr = &stcb->asoc.primary_destination->ro._l_addr; 2795 switch (addr->sa.sa_family) { 2796 #ifdef INET 2797 case AF_INET: 2798 #ifdef INET6 2799 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) { 2800 in6_sin_2_v4mapsin6(&addr->sin, 2801 (struct sockaddr_in6 *)&ssp->ssp_addr); 2802 } else { 2803 memcpy(&ssp->ssp_addr, &addr->sin, sizeof(struct sockaddr_in)); 2804 } 2805 #else 2806 memcpy(&ssp->ssp_addr, &addr->sin, sizeof(struct sockaddr_in)); 2807 #endif 2808 break; 2809 #endif 2810 #ifdef INET6 2811 case AF_INET6: 2812 memcpy(&ssp->ssp_addr, &addr->sin6, sizeof(struct sockaddr_in6)); 2813 break; 2814 #endif 2815 default: 2816 break; 2817 } 2818 SCTP_TCB_UNLOCK(stcb); 2819 *optsize = sizeof(struct sctp_setprim); 2820 } else { 2821 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2822 error = EINVAL; 2823 } 2824 break; 2825 } 2826 case SCTP_HMAC_IDENT: 2827 { 2828 struct sctp_hmacalgo *shmac; 2829 sctp_hmaclist_t *hmaclist; 2830 size_t size; 2831 int i; 2832 2833 SCTP_CHECK_AND_CAST(shmac, optval, struct sctp_hmacalgo, *optsize); 2834 2835 SCTP_INP_RLOCK(inp); 2836 hmaclist = inp->sctp_ep.local_hmacs; 2837 if (hmaclist == NULL) { 2838 /* no HMACs to return */ 2839 *optsize = sizeof(*shmac); 2840 SCTP_INP_RUNLOCK(inp); 2841 break; 2842 } 2843 /* is there room for all of the hmac ids? */ 2844 size = sizeof(*shmac) + (hmaclist->num_algo * 2845 sizeof(shmac->shmac_idents[0])); 2846 if (*optsize < size) { 2847 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2848 error = EINVAL; 2849 SCTP_INP_RUNLOCK(inp); 2850 break; 2851 } 2852 /* copy in the list */ 2853 shmac->shmac_number_of_idents = hmaclist->num_algo; 2854 for (i = 0; i < hmaclist->num_algo; i++) { 2855 shmac->shmac_idents[i] = hmaclist->hmac[i]; 2856 } 2857 SCTP_INP_RUNLOCK(inp); 2858 *optsize = size; 2859 break; 2860 } 2861 case SCTP_AUTH_ACTIVE_KEY: 2862 { 2863 struct sctp_authkeyid *scact; 2864 2865 SCTP_CHECK_AND_CAST(scact, optval, struct sctp_authkeyid, *optsize); 2866 SCTP_FIND_STCB(inp, stcb, scact->scact_assoc_id); 2867 2868 if (stcb) { 2869 /* get the active key on the assoc */ 2870 scact->scact_keynumber = stcb->asoc.authinfo.active_keyid; 2871 SCTP_TCB_UNLOCK(stcb); 2872 } else { 2873 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2874 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2875 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2876 (scact->scact_assoc_id == SCTP_FUTURE_ASSOC))) { 2877 /* get the endpoint active key */ 2878 SCTP_INP_RLOCK(inp); 2879 scact->scact_keynumber = inp->sctp_ep.default_keyid; 2880 SCTP_INP_RUNLOCK(inp); 2881 } else { 2882 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2883 error = EINVAL; 2884 } 2885 } 2886 if (error == 0) { 2887 *optsize = sizeof(struct sctp_authkeyid); 2888 } 2889 break; 2890 } 2891 case SCTP_LOCAL_AUTH_CHUNKS: 2892 { 2893 struct sctp_authchunks *sac; 2894 sctp_auth_chklist_t *chklist = NULL; 2895 size_t size = 0; 2896 2897 SCTP_CHECK_AND_CAST(sac, optval, struct sctp_authchunks, *optsize); 2898 SCTP_FIND_STCB(inp, stcb, sac->gauth_assoc_id); 2899 2900 if (stcb) { 2901 /* get off the assoc */ 2902 chklist = stcb->asoc.local_auth_chunks; 2903 /* is there enough space? */ 2904 size = sctp_auth_get_chklist_size(chklist); 2905 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2906 error = EINVAL; 2907 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2908 } else { 2909 /* copy in the chunks */ 2910 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 2911 sac->gauth_number_of_chunks = (uint32_t)size; 2912 *optsize = sizeof(struct sctp_authchunks) + size; 2913 } 2914 SCTP_TCB_UNLOCK(stcb); 2915 } else { 2916 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 2917 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 2918 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 2919 (sac->gauth_assoc_id == SCTP_FUTURE_ASSOC))) { 2920 /* get off the endpoint */ 2921 SCTP_INP_RLOCK(inp); 2922 chklist = inp->sctp_ep.local_auth_chunks; 2923 /* is there enough space? */ 2924 size = sctp_auth_get_chklist_size(chklist); 2925 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2926 error = EINVAL; 2927 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2928 } else { 2929 /* copy in the chunks */ 2930 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 2931 sac->gauth_number_of_chunks = (uint32_t)size; 2932 *optsize = sizeof(struct sctp_authchunks) + size; 2933 } 2934 SCTP_INP_RUNLOCK(inp); 2935 } else { 2936 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 2937 error = EINVAL; 2938 } 2939 } 2940 break; 2941 } 2942 case SCTP_PEER_AUTH_CHUNKS: 2943 { 2944 struct sctp_authchunks *sac; 2945 sctp_auth_chklist_t *chklist = NULL; 2946 size_t size = 0; 2947 2948 SCTP_CHECK_AND_CAST(sac, optval, struct sctp_authchunks, *optsize); 2949 SCTP_FIND_STCB(inp, stcb, sac->gauth_assoc_id); 2950 2951 if (stcb) { 2952 /* get off the assoc */ 2953 chklist = stcb->asoc.peer_auth_chunks; 2954 /* is there enough space? */ 2955 size = sctp_auth_get_chklist_size(chklist); 2956 if (*optsize < (sizeof(struct sctp_authchunks) + size)) { 2957 error = EINVAL; 2958 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 2959 } else { 2960 /* copy in the chunks */ 2961 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks); 2962 sac->gauth_number_of_chunks = (uint32_t)size; 2963 *optsize = sizeof(struct sctp_authchunks) + size; 2964 } 2965 SCTP_TCB_UNLOCK(stcb); 2966 } else { 2967 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 2968 error = ENOENT; 2969 } 2970 break; 2971 } 2972 case SCTP_EVENT: 2973 { 2974 struct sctp_event *event; 2975 uint32_t event_type; 2976 2977 SCTP_CHECK_AND_CAST(event, optval, struct sctp_event, *optsize); 2978 SCTP_FIND_STCB(inp, stcb, event->se_assoc_id); 2979 2980 switch (event->se_type) { 2981 case SCTP_ASSOC_CHANGE: 2982 event_type = SCTP_PCB_FLAGS_RECVASSOCEVNT; 2983 break; 2984 case SCTP_PEER_ADDR_CHANGE: 2985 event_type = SCTP_PCB_FLAGS_RECVPADDREVNT; 2986 break; 2987 case SCTP_REMOTE_ERROR: 2988 event_type = SCTP_PCB_FLAGS_RECVPEERERR; 2989 break; 2990 case SCTP_SEND_FAILED: 2991 event_type = SCTP_PCB_FLAGS_RECVSENDFAILEVNT; 2992 break; 2993 case SCTP_SHUTDOWN_EVENT: 2994 event_type = SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT; 2995 break; 2996 case SCTP_ADAPTATION_INDICATION: 2997 event_type = SCTP_PCB_FLAGS_ADAPTATIONEVNT; 2998 break; 2999 case SCTP_PARTIAL_DELIVERY_EVENT: 3000 event_type = SCTP_PCB_FLAGS_PDAPIEVNT; 3001 break; 3002 case SCTP_AUTHENTICATION_EVENT: 3003 event_type = SCTP_PCB_FLAGS_AUTHEVNT; 3004 break; 3005 case SCTP_STREAM_RESET_EVENT: 3006 event_type = SCTP_PCB_FLAGS_STREAM_RESETEVNT; 3007 break; 3008 case SCTP_SENDER_DRY_EVENT: 3009 event_type = SCTP_PCB_FLAGS_DRYEVNT; 3010 break; 3011 case SCTP_NOTIFICATIONS_STOPPED_EVENT: 3012 event_type = 0; 3013 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 3014 error = ENOTSUP; 3015 break; 3016 case SCTP_ASSOC_RESET_EVENT: 3017 event_type = SCTP_PCB_FLAGS_ASSOC_RESETEVNT; 3018 break; 3019 case SCTP_STREAM_CHANGE_EVENT: 3020 event_type = SCTP_PCB_FLAGS_STREAM_CHANGEEVNT; 3021 break; 3022 case SCTP_SEND_FAILED_EVENT: 3023 event_type = SCTP_PCB_FLAGS_RECVNSENDFAILEVNT; 3024 break; 3025 default: 3026 event_type = 0; 3027 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3028 error = EINVAL; 3029 break; 3030 } 3031 if (event_type > 0) { 3032 if (stcb) { 3033 event->se_on = sctp_stcb_is_feature_on(inp, stcb, event_type); 3034 } else { 3035 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3036 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3037 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3038 (event->se_assoc_id == SCTP_FUTURE_ASSOC))) { 3039 SCTP_INP_RLOCK(inp); 3040 event->se_on = sctp_is_feature_on(inp, event_type); 3041 SCTP_INP_RUNLOCK(inp); 3042 } else { 3043 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3044 error = EINVAL; 3045 } 3046 } 3047 } 3048 if (stcb != NULL) { 3049 SCTP_TCB_UNLOCK(stcb); 3050 } 3051 if (error == 0) { 3052 *optsize = sizeof(struct sctp_event); 3053 } 3054 break; 3055 } 3056 case SCTP_RECVRCVINFO: 3057 if (*optsize < sizeof(int)) { 3058 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3059 error = EINVAL; 3060 } else { 3061 SCTP_INP_RLOCK(inp); 3062 *(int *)optval = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 3063 SCTP_INP_RUNLOCK(inp); 3064 *optsize = sizeof(int); 3065 } 3066 break; 3067 case SCTP_RECVNXTINFO: 3068 if (*optsize < sizeof(int)) { 3069 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3070 error = EINVAL; 3071 } else { 3072 SCTP_INP_RLOCK(inp); 3073 *(int *)optval = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 3074 SCTP_INP_RUNLOCK(inp); 3075 *optsize = sizeof(int); 3076 } 3077 break; 3078 case SCTP_DEFAULT_SNDINFO: 3079 { 3080 struct sctp_sndinfo *info; 3081 3082 SCTP_CHECK_AND_CAST(info, optval, struct sctp_sndinfo, *optsize); 3083 SCTP_FIND_STCB(inp, stcb, info->snd_assoc_id); 3084 3085 if (stcb) { 3086 info->snd_sid = stcb->asoc.def_send.sinfo_stream; 3087 info->snd_flags = stcb->asoc.def_send.sinfo_flags; 3088 info->snd_flags &= 0xfff0; 3089 info->snd_ppid = stcb->asoc.def_send.sinfo_ppid; 3090 info->snd_context = stcb->asoc.def_send.sinfo_context; 3091 SCTP_TCB_UNLOCK(stcb); 3092 } else { 3093 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3094 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3095 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3096 (info->snd_assoc_id == SCTP_FUTURE_ASSOC))) { 3097 SCTP_INP_RLOCK(inp); 3098 info->snd_sid = inp->def_send.sinfo_stream; 3099 info->snd_flags = inp->def_send.sinfo_flags; 3100 info->snd_flags &= 0xfff0; 3101 info->snd_ppid = inp->def_send.sinfo_ppid; 3102 info->snd_context = inp->def_send.sinfo_context; 3103 SCTP_INP_RUNLOCK(inp); 3104 } else { 3105 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3106 error = EINVAL; 3107 } 3108 } 3109 if (error == 0) { 3110 *optsize = sizeof(struct sctp_sndinfo); 3111 } 3112 break; 3113 } 3114 case SCTP_DEFAULT_PRINFO: 3115 { 3116 struct sctp_default_prinfo *info; 3117 3118 SCTP_CHECK_AND_CAST(info, optval, struct sctp_default_prinfo, *optsize); 3119 SCTP_FIND_STCB(inp, stcb, info->pr_assoc_id); 3120 3121 if (stcb) { 3122 info->pr_policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 3123 info->pr_value = stcb->asoc.def_send.sinfo_timetolive; 3124 SCTP_TCB_UNLOCK(stcb); 3125 } else { 3126 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3127 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3128 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3129 (info->pr_assoc_id == SCTP_FUTURE_ASSOC))) { 3130 SCTP_INP_RLOCK(inp); 3131 info->pr_policy = PR_SCTP_POLICY(inp->def_send.sinfo_flags); 3132 info->pr_value = inp->def_send.sinfo_timetolive; 3133 SCTP_INP_RUNLOCK(inp); 3134 } else { 3135 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3136 error = EINVAL; 3137 } 3138 } 3139 if (error == 0) { 3140 *optsize = sizeof(struct sctp_default_prinfo); 3141 } 3142 break; 3143 } 3144 case SCTP_PEER_ADDR_THLDS: 3145 { 3146 struct sctp_paddrthlds *thlds; 3147 struct sctp_nets *net; 3148 struct sockaddr *addr; 3149 #if defined(INET) && defined(INET6) 3150 struct sockaddr_in sin_store; 3151 #endif 3152 3153 SCTP_CHECK_AND_CAST(thlds, optval, struct sctp_paddrthlds, *optsize); 3154 SCTP_FIND_STCB(inp, stcb, thlds->spt_assoc_id); 3155 3156 #if defined(INET) && defined(INET6) 3157 if (thlds->spt_address.ss_family == AF_INET6) { 3158 struct sockaddr_in6 *sin6; 3159 3160 sin6 = (struct sockaddr_in6 *)&thlds->spt_address; 3161 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 3162 in6_sin6_2_sin(&sin_store, sin6); 3163 addr = (struct sockaddr *)&sin_store; 3164 } else { 3165 addr = (struct sockaddr *)&thlds->spt_address; 3166 } 3167 } else { 3168 addr = (struct sockaddr *)&thlds->spt_address; 3169 } 3170 #else 3171 addr = (struct sockaddr *)&thlds->spt_address; 3172 #endif 3173 if (stcb != NULL) { 3174 net = sctp_findnet(stcb, addr); 3175 } else { 3176 /* 3177 * We increment here since 3178 * sctp_findassociation_ep_addr() wil do a 3179 * decrement if it finds the stcb as long as 3180 * the locked tcb (last argument) is NOT a 3181 * TCB.. aka NULL. 3182 */ 3183 net = NULL; 3184 SCTP_INP_INCR_REF(inp); 3185 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 3186 if (stcb == NULL) { 3187 SCTP_INP_DECR_REF(inp); 3188 } 3189 } 3190 if ((stcb != NULL) && (net == NULL)) { 3191 #ifdef INET 3192 if (addr->sa_family == AF_INET) { 3193 struct sockaddr_in *sin; 3194 3195 sin = (struct sockaddr_in *)addr; 3196 if (sin->sin_addr.s_addr != INADDR_ANY) { 3197 error = EINVAL; 3198 SCTP_TCB_UNLOCK(stcb); 3199 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3200 break; 3201 } 3202 } else 3203 #endif 3204 #ifdef INET6 3205 if (addr->sa_family == AF_INET6) { 3206 struct sockaddr_in6 *sin6; 3207 3208 sin6 = (struct sockaddr_in6 *)addr; 3209 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 3210 error = EINVAL; 3211 SCTP_TCB_UNLOCK(stcb); 3212 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3213 break; 3214 } 3215 } else 3216 #endif 3217 { 3218 error = EAFNOSUPPORT; 3219 SCTP_TCB_UNLOCK(stcb); 3220 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3221 break; 3222 } 3223 } 3224 3225 if (stcb != NULL) { 3226 if (net != NULL) { 3227 thlds->spt_pathmaxrxt = net->failure_threshold; 3228 thlds->spt_pathpfthld = net->pf_threshold; 3229 thlds->spt_pathcpthld = 0xffff; 3230 } else { 3231 thlds->spt_pathmaxrxt = stcb->asoc.def_net_failure; 3232 thlds->spt_pathpfthld = stcb->asoc.def_net_pf_threshold; 3233 thlds->spt_pathcpthld = 0xffff; 3234 } 3235 thlds->spt_assoc_id = sctp_get_associd(stcb); 3236 SCTP_TCB_UNLOCK(stcb); 3237 } else { 3238 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3239 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3240 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3241 (thlds->spt_assoc_id == SCTP_FUTURE_ASSOC))) { 3242 /* Use endpoint defaults */ 3243 SCTP_INP_RLOCK(inp); 3244 thlds->spt_pathmaxrxt = inp->sctp_ep.def_net_failure; 3245 thlds->spt_pathpfthld = inp->sctp_ep.def_net_pf_threshold; 3246 thlds->spt_pathcpthld = 0xffff; 3247 SCTP_INP_RUNLOCK(inp); 3248 } else { 3249 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3250 error = EINVAL; 3251 } 3252 } 3253 if (error == 0) { 3254 *optsize = sizeof(struct sctp_paddrthlds); 3255 } 3256 break; 3257 } 3258 case SCTP_REMOTE_UDP_ENCAPS_PORT: 3259 { 3260 struct sctp_udpencaps *encaps; 3261 struct sctp_nets *net; 3262 struct sockaddr *addr; 3263 #if defined(INET) && defined(INET6) 3264 struct sockaddr_in sin_store; 3265 #endif 3266 3267 SCTP_CHECK_AND_CAST(encaps, optval, struct sctp_udpencaps, *optsize); 3268 SCTP_FIND_STCB(inp, stcb, encaps->sue_assoc_id); 3269 3270 #if defined(INET) && defined(INET6) 3271 if (encaps->sue_address.ss_family == AF_INET6) { 3272 struct sockaddr_in6 *sin6; 3273 3274 sin6 = (struct sockaddr_in6 *)&encaps->sue_address; 3275 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 3276 in6_sin6_2_sin(&sin_store, sin6); 3277 addr = (struct sockaddr *)&sin_store; 3278 } else { 3279 addr = (struct sockaddr *)&encaps->sue_address; 3280 } 3281 } else { 3282 addr = (struct sockaddr *)&encaps->sue_address; 3283 } 3284 #else 3285 addr = (struct sockaddr *)&encaps->sue_address; 3286 #endif 3287 if (stcb) { 3288 net = sctp_findnet(stcb, addr); 3289 } else { 3290 /* 3291 * We increment here since 3292 * sctp_findassociation_ep_addr() wil do a 3293 * decrement if it finds the stcb as long as 3294 * the locked tcb (last argument) is NOT a 3295 * TCB.. aka NULL. 3296 */ 3297 net = NULL; 3298 SCTP_INP_INCR_REF(inp); 3299 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 3300 if (stcb == NULL) { 3301 SCTP_INP_DECR_REF(inp); 3302 } 3303 } 3304 if ((stcb != NULL) && (net == NULL)) { 3305 #ifdef INET 3306 if (addr->sa_family == AF_INET) { 3307 struct sockaddr_in *sin; 3308 3309 sin = (struct sockaddr_in *)addr; 3310 if (sin->sin_addr.s_addr != INADDR_ANY) { 3311 error = EINVAL; 3312 SCTP_TCB_UNLOCK(stcb); 3313 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3314 break; 3315 } 3316 } else 3317 #endif 3318 #ifdef INET6 3319 if (addr->sa_family == AF_INET6) { 3320 struct sockaddr_in6 *sin6; 3321 3322 sin6 = (struct sockaddr_in6 *)addr; 3323 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 3324 error = EINVAL; 3325 SCTP_TCB_UNLOCK(stcb); 3326 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3327 break; 3328 } 3329 } else 3330 #endif 3331 { 3332 error = EAFNOSUPPORT; 3333 SCTP_TCB_UNLOCK(stcb); 3334 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 3335 break; 3336 } 3337 } 3338 3339 if (stcb != NULL) { 3340 if (net) { 3341 encaps->sue_port = net->port; 3342 } else { 3343 encaps->sue_port = stcb->asoc.port; 3344 } 3345 SCTP_TCB_UNLOCK(stcb); 3346 } else { 3347 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3348 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3349 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3350 (encaps->sue_assoc_id == SCTP_FUTURE_ASSOC))) { 3351 SCTP_INP_RLOCK(inp); 3352 encaps->sue_port = inp->sctp_ep.port; 3353 SCTP_INP_RUNLOCK(inp); 3354 } else { 3355 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3356 error = EINVAL; 3357 } 3358 } 3359 if (error == 0) { 3360 *optsize = sizeof(struct sctp_udpencaps); 3361 } 3362 break; 3363 } 3364 case SCTP_ECN_SUPPORTED: 3365 { 3366 struct sctp_assoc_value *av; 3367 3368 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3369 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3370 3371 if (stcb) { 3372 av->assoc_value = stcb->asoc.ecn_supported; 3373 SCTP_TCB_UNLOCK(stcb); 3374 } else { 3375 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3376 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3377 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3378 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3379 SCTP_INP_RLOCK(inp); 3380 av->assoc_value = inp->ecn_supported; 3381 SCTP_INP_RUNLOCK(inp); 3382 } else { 3383 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3384 error = EINVAL; 3385 } 3386 } 3387 if (error == 0) { 3388 *optsize = sizeof(struct sctp_assoc_value); 3389 } 3390 break; 3391 } 3392 case SCTP_PR_SUPPORTED: 3393 { 3394 struct sctp_assoc_value *av; 3395 3396 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3397 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3398 3399 if (stcb) { 3400 av->assoc_value = stcb->asoc.prsctp_supported; 3401 SCTP_TCB_UNLOCK(stcb); 3402 } else { 3403 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3404 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3405 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3406 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3407 SCTP_INP_RLOCK(inp); 3408 av->assoc_value = inp->prsctp_supported; 3409 SCTP_INP_RUNLOCK(inp); 3410 } else { 3411 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3412 error = EINVAL; 3413 } 3414 } 3415 if (error == 0) { 3416 *optsize = sizeof(struct sctp_assoc_value); 3417 } 3418 break; 3419 } 3420 case SCTP_AUTH_SUPPORTED: 3421 { 3422 struct sctp_assoc_value *av; 3423 3424 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3425 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3426 3427 if (stcb) { 3428 av->assoc_value = stcb->asoc.auth_supported; 3429 SCTP_TCB_UNLOCK(stcb); 3430 } else { 3431 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3432 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3433 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3434 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3435 SCTP_INP_RLOCK(inp); 3436 av->assoc_value = inp->auth_supported; 3437 SCTP_INP_RUNLOCK(inp); 3438 } else { 3439 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3440 error = EINVAL; 3441 } 3442 } 3443 if (error == 0) { 3444 *optsize = sizeof(struct sctp_assoc_value); 3445 } 3446 break; 3447 } 3448 case SCTP_ASCONF_SUPPORTED: 3449 { 3450 struct sctp_assoc_value *av; 3451 3452 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3453 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3454 3455 if (stcb) { 3456 av->assoc_value = stcb->asoc.asconf_supported; 3457 SCTP_TCB_UNLOCK(stcb); 3458 } else { 3459 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3460 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3461 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3462 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3463 SCTP_INP_RLOCK(inp); 3464 av->assoc_value = inp->asconf_supported; 3465 SCTP_INP_RUNLOCK(inp); 3466 } else { 3467 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3468 error = EINVAL; 3469 } 3470 } 3471 if (error == 0) { 3472 *optsize = sizeof(struct sctp_assoc_value); 3473 } 3474 break; 3475 } 3476 case SCTP_RECONFIG_SUPPORTED: 3477 { 3478 struct sctp_assoc_value *av; 3479 3480 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3481 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3482 3483 if (stcb) { 3484 av->assoc_value = stcb->asoc.reconfig_supported; 3485 SCTP_TCB_UNLOCK(stcb); 3486 } else { 3487 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3488 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3489 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3490 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3491 SCTP_INP_RLOCK(inp); 3492 av->assoc_value = inp->reconfig_supported; 3493 SCTP_INP_RUNLOCK(inp); 3494 } else { 3495 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3496 error = EINVAL; 3497 } 3498 } 3499 if (error == 0) { 3500 *optsize = sizeof(struct sctp_assoc_value); 3501 } 3502 break; 3503 } 3504 case SCTP_NRSACK_SUPPORTED: 3505 { 3506 struct sctp_assoc_value *av; 3507 3508 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3509 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3510 3511 if (stcb) { 3512 av->assoc_value = stcb->asoc.nrsack_supported; 3513 SCTP_TCB_UNLOCK(stcb); 3514 } else { 3515 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3516 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3517 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3518 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3519 SCTP_INP_RLOCK(inp); 3520 av->assoc_value = inp->nrsack_supported; 3521 SCTP_INP_RUNLOCK(inp); 3522 } else { 3523 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3524 error = EINVAL; 3525 } 3526 } 3527 if (error == 0) { 3528 *optsize = sizeof(struct sctp_assoc_value); 3529 } 3530 break; 3531 } 3532 case SCTP_PKTDROP_SUPPORTED: 3533 { 3534 struct sctp_assoc_value *av; 3535 3536 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3537 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3538 3539 if (stcb) { 3540 av->assoc_value = stcb->asoc.pktdrop_supported; 3541 SCTP_TCB_UNLOCK(stcb); 3542 } else { 3543 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3544 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3545 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3546 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3547 SCTP_INP_RLOCK(inp); 3548 av->assoc_value = inp->pktdrop_supported; 3549 SCTP_INP_RUNLOCK(inp); 3550 } else { 3551 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3552 error = EINVAL; 3553 } 3554 } 3555 if (error == 0) { 3556 *optsize = sizeof(struct sctp_assoc_value); 3557 } 3558 break; 3559 } 3560 case SCTP_ENABLE_STREAM_RESET: 3561 { 3562 struct sctp_assoc_value *av; 3563 3564 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3565 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3566 3567 if (stcb) { 3568 av->assoc_value = (uint32_t)stcb->asoc.local_strreset_support; 3569 SCTP_TCB_UNLOCK(stcb); 3570 } else { 3571 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3572 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3573 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3574 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3575 SCTP_INP_RLOCK(inp); 3576 av->assoc_value = (uint32_t)inp->local_strreset_support; 3577 SCTP_INP_RUNLOCK(inp); 3578 } else { 3579 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3580 error = EINVAL; 3581 } 3582 } 3583 if (error == 0) { 3584 *optsize = sizeof(struct sctp_assoc_value); 3585 } 3586 break; 3587 } 3588 case SCTP_PR_STREAM_STATUS: 3589 { 3590 struct sctp_prstatus *sprstat; 3591 uint16_t sid; 3592 uint16_t policy; 3593 3594 SCTP_CHECK_AND_CAST(sprstat, optval, struct sctp_prstatus, *optsize); 3595 SCTP_FIND_STCB(inp, stcb, sprstat->sprstat_assoc_id); 3596 3597 sid = sprstat->sprstat_sid; 3598 policy = sprstat->sprstat_policy; 3599 #if defined(SCTP_DETAILED_STR_STATS) 3600 if ((stcb != NULL) && 3601 (sid < stcb->asoc.streamoutcnt) && 3602 (policy != SCTP_PR_SCTP_NONE) && 3603 ((policy <= SCTP_PR_SCTP_MAX) || 3604 (policy == SCTP_PR_SCTP_ALL))) { 3605 if (policy == SCTP_PR_SCTP_ALL) { 3606 sprstat->sprstat_abandoned_unsent = stcb->asoc.strmout[sid].abandoned_unsent[0]; 3607 sprstat->sprstat_abandoned_sent = stcb->asoc.strmout[sid].abandoned_sent[0]; 3608 } else { 3609 sprstat->sprstat_abandoned_unsent = stcb->asoc.strmout[sid].abandoned_unsent[policy]; 3610 sprstat->sprstat_abandoned_sent = stcb->asoc.strmout[sid].abandoned_sent[policy]; 3611 } 3612 #else 3613 if ((stcb != NULL) && 3614 (sid < stcb->asoc.streamoutcnt) && 3615 (policy == SCTP_PR_SCTP_ALL)) { 3616 sprstat->sprstat_abandoned_unsent = stcb->asoc.strmout[sid].abandoned_unsent[0]; 3617 sprstat->sprstat_abandoned_sent = stcb->asoc.strmout[sid].abandoned_sent[0]; 3618 #endif 3619 } else { 3620 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3621 error = EINVAL; 3622 } 3623 if (stcb != NULL) { 3624 SCTP_TCB_UNLOCK(stcb); 3625 } 3626 if (error == 0) { 3627 *optsize = sizeof(struct sctp_prstatus); 3628 } 3629 break; 3630 } 3631 case SCTP_PR_ASSOC_STATUS: 3632 { 3633 struct sctp_prstatus *sprstat; 3634 uint16_t policy; 3635 3636 SCTP_CHECK_AND_CAST(sprstat, optval, struct sctp_prstatus, *optsize); 3637 SCTP_FIND_STCB(inp, stcb, sprstat->sprstat_assoc_id); 3638 3639 policy = sprstat->sprstat_policy; 3640 if ((stcb != NULL) && 3641 (policy != SCTP_PR_SCTP_NONE) && 3642 ((policy <= SCTP_PR_SCTP_MAX) || 3643 (policy == SCTP_PR_SCTP_ALL))) { 3644 if (policy == SCTP_PR_SCTP_ALL) { 3645 sprstat->sprstat_abandoned_unsent = stcb->asoc.abandoned_unsent[0]; 3646 sprstat->sprstat_abandoned_sent = stcb->asoc.abandoned_sent[0]; 3647 } else { 3648 sprstat->sprstat_abandoned_unsent = stcb->asoc.abandoned_unsent[policy]; 3649 sprstat->sprstat_abandoned_sent = stcb->asoc.abandoned_sent[policy]; 3650 } 3651 } else { 3652 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3653 error = EINVAL; 3654 } 3655 if (stcb != NULL) { 3656 SCTP_TCB_UNLOCK(stcb); 3657 } 3658 if (error == 0) { 3659 *optsize = sizeof(struct sctp_prstatus); 3660 } 3661 break; 3662 } 3663 case SCTP_MAX_CWND: 3664 { 3665 struct sctp_assoc_value *av; 3666 3667 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); 3668 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3669 3670 if (stcb) { 3671 av->assoc_value = stcb->asoc.max_cwnd; 3672 SCTP_TCB_UNLOCK(stcb); 3673 } else { 3674 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3675 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3676 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3677 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3678 SCTP_INP_RLOCK(inp); 3679 av->assoc_value = inp->max_cwnd; 3680 SCTP_INP_RUNLOCK(inp); 3681 } else { 3682 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3683 error = EINVAL; 3684 } 3685 } 3686 if (error == 0) { 3687 *optsize = sizeof(struct sctp_assoc_value); 3688 } 3689 break; 3690 } 3691 default: 3692 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 3693 error = ENOPROTOOPT; 3694 break; 3695 } /* end switch (sopt->sopt_name) */ 3696 if (error) { 3697 *optsize = 0; 3698 } 3699 return (error); 3700 } 3701 3702 static int 3703 sctp_setopt(struct socket *so, int optname, void *optval, size_t optsize, 3704 void *p) 3705 { 3706 int error, set_opt; 3707 uint32_t *mopt; 3708 struct sctp_tcb *stcb = NULL; 3709 struct sctp_inpcb *inp = NULL; 3710 uint32_t vrf_id; 3711 3712 if (optval == NULL) { 3713 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3714 return (EINVAL); 3715 } 3716 inp = (struct sctp_inpcb *)so->so_pcb; 3717 if (inp == NULL) { 3718 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3719 return (EINVAL); 3720 } 3721 vrf_id = inp->def_vrf_id; 3722 3723 error = 0; 3724 switch (optname) { 3725 case SCTP_NODELAY: 3726 case SCTP_AUTOCLOSE: 3727 case SCTP_AUTO_ASCONF: 3728 case SCTP_EXPLICIT_EOR: 3729 case SCTP_DISABLE_FRAGMENTS: 3730 case SCTP_USE_EXT_RCVINFO: 3731 case SCTP_I_WANT_MAPPED_V4_ADDR: 3732 /* copy in the option value */ 3733 SCTP_CHECK_AND_CAST(mopt, optval, uint32_t, optsize); 3734 set_opt = 0; 3735 if (error) 3736 break; 3737 switch (optname) { 3738 case SCTP_DISABLE_FRAGMENTS: 3739 set_opt = SCTP_PCB_FLAGS_NO_FRAGMENT; 3740 break; 3741 case SCTP_AUTO_ASCONF: 3742 /* 3743 * NOTE: we don't really support this flag 3744 */ 3745 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 3746 /* only valid for bound all sockets */ 3747 if ((SCTP_BASE_SYSCTL(sctp_auto_asconf) == 0) && 3748 (*mopt != 0)) { 3749 /* forbidden by admin */ 3750 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EPERM); 3751 return (EPERM); 3752 } 3753 set_opt = SCTP_PCB_FLAGS_AUTO_ASCONF; 3754 } else { 3755 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3756 return (EINVAL); 3757 } 3758 break; 3759 case SCTP_EXPLICIT_EOR: 3760 set_opt = SCTP_PCB_FLAGS_EXPLICIT_EOR; 3761 break; 3762 case SCTP_USE_EXT_RCVINFO: 3763 set_opt = SCTP_PCB_FLAGS_EXT_RCVINFO; 3764 break; 3765 case SCTP_I_WANT_MAPPED_V4_ADDR: 3766 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 3767 set_opt = SCTP_PCB_FLAGS_NEEDS_MAPPED_V4; 3768 } else { 3769 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3770 return (EINVAL); 3771 } 3772 break; 3773 case SCTP_NODELAY: 3774 set_opt = SCTP_PCB_FLAGS_NODELAY; 3775 break; 3776 case SCTP_AUTOCLOSE: 3777 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3778 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 3779 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3780 return (EINVAL); 3781 } 3782 set_opt = SCTP_PCB_FLAGS_AUTOCLOSE; 3783 /* 3784 * The value is in ticks. Note this does not effect 3785 * old associations, only new ones. 3786 */ 3787 inp->sctp_ep.auto_close_time = sctp_secs_to_ticks(*mopt); 3788 break; 3789 } 3790 SCTP_INP_WLOCK(inp); 3791 if (*mopt != 0) { 3792 sctp_feature_on(inp, set_opt); 3793 } else { 3794 sctp_feature_off(inp, set_opt); 3795 } 3796 SCTP_INP_WUNLOCK(inp); 3797 break; 3798 case SCTP_REUSE_PORT: 3799 { 3800 SCTP_CHECK_AND_CAST(mopt, optval, uint32_t, optsize); 3801 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 0) { 3802 /* Can't set it after we are bound */ 3803 error = EINVAL; 3804 break; 3805 } 3806 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE)) { 3807 /* Can't do this for a 1-m socket */ 3808 error = EINVAL; 3809 break; 3810 } 3811 if (optval) 3812 sctp_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE); 3813 else 3814 sctp_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE); 3815 break; 3816 } 3817 case SCTP_PARTIAL_DELIVERY_POINT: 3818 { 3819 uint32_t *value; 3820 3821 SCTP_CHECK_AND_CAST(value, optval, uint32_t, optsize); 3822 if (*value > SCTP_SB_LIMIT_RCV(so)) { 3823 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3824 error = EINVAL; 3825 break; 3826 } 3827 inp->partial_delivery_point = *value; 3828 break; 3829 } 3830 case SCTP_FRAGMENT_INTERLEAVE: 3831 /* not yet until we re-write sctp_recvmsg() */ 3832 { 3833 uint32_t *level; 3834 3835 SCTP_CHECK_AND_CAST(level, optval, uint32_t, optsize); 3836 if (*level == SCTP_FRAG_LEVEL_2) { 3837 sctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3838 sctp_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3839 } else if (*level == SCTP_FRAG_LEVEL_1) { 3840 sctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3841 sctp_feature_off(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3842 } else if (*level == SCTP_FRAG_LEVEL_0) { 3843 sctp_feature_off(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE); 3844 sctp_feature_off(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS); 3845 3846 } else { 3847 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3848 error = EINVAL; 3849 } 3850 break; 3851 } 3852 case SCTP_INTERLEAVING_SUPPORTED: 3853 { 3854 struct sctp_assoc_value *av; 3855 3856 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3857 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3858 3859 if (stcb) { 3860 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3861 error = EINVAL; 3862 SCTP_TCB_UNLOCK(stcb); 3863 } else { 3864 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3865 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3866 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3867 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 3868 SCTP_INP_WLOCK(inp); 3869 if (av->assoc_value == 0) { 3870 inp->idata_supported = 0; 3871 } else { 3872 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE)) && 3873 (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS))) { 3874 inp->idata_supported = 1; 3875 } else { 3876 /* 3877 * Must have Frag 3878 * interleave and 3879 * stream interleave 3880 * on 3881 */ 3882 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3883 error = EINVAL; 3884 } 3885 } 3886 SCTP_INP_WUNLOCK(inp); 3887 } else { 3888 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3889 error = EINVAL; 3890 } 3891 } 3892 break; 3893 } 3894 case SCTP_CMT_ON_OFF: 3895 if (SCTP_BASE_SYSCTL(sctp_cmt_on_off)) { 3896 struct sctp_assoc_value *av; 3897 3898 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3899 if (av->assoc_value > SCTP_CMT_MAX) { 3900 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3901 error = EINVAL; 3902 break; 3903 } 3904 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3905 if (stcb) { 3906 stcb->asoc.sctp_cmt_on_off = av->assoc_value; 3907 SCTP_TCB_UNLOCK(stcb); 3908 } else { 3909 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3910 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3911 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3912 ((av->assoc_id == SCTP_FUTURE_ASSOC) || 3913 (av->assoc_id == SCTP_ALL_ASSOC)))) { 3914 SCTP_INP_WLOCK(inp); 3915 inp->sctp_cmt_on_off = av->assoc_value; 3916 SCTP_INP_WUNLOCK(inp); 3917 } 3918 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3919 ((av->assoc_id == SCTP_CURRENT_ASSOC) || 3920 (av->assoc_id == SCTP_ALL_ASSOC))) { 3921 SCTP_INP_RLOCK(inp); 3922 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3923 SCTP_TCB_LOCK(stcb); 3924 stcb->asoc.sctp_cmt_on_off = av->assoc_value; 3925 SCTP_TCB_UNLOCK(stcb); 3926 } 3927 SCTP_INP_RUNLOCK(inp); 3928 } 3929 } 3930 } else { 3931 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 3932 error = ENOPROTOOPT; 3933 } 3934 break; 3935 case SCTP_PLUGGABLE_CC: 3936 { 3937 struct sctp_assoc_value *av; 3938 struct sctp_nets *net; 3939 3940 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 3941 if ((av->assoc_value != SCTP_CC_RFC2581) && 3942 (av->assoc_value != SCTP_CC_HSTCP) && 3943 (av->assoc_value != SCTP_CC_HTCP) && 3944 (av->assoc_value != SCTP_CC_RTCC)) { 3945 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 3946 error = EINVAL; 3947 break; 3948 } 3949 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 3950 if (stcb) { 3951 stcb->asoc.cc_functions = sctp_cc_functions[av->assoc_value]; 3952 stcb->asoc.congestion_control_module = av->assoc_value; 3953 if (stcb->asoc.cc_functions.sctp_set_initial_cc_param != NULL) { 3954 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 3955 stcb->asoc.cc_functions.sctp_set_initial_cc_param(stcb, net); 3956 } 3957 } 3958 SCTP_TCB_UNLOCK(stcb); 3959 } else { 3960 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 3961 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 3962 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3963 ((av->assoc_id == SCTP_FUTURE_ASSOC) || 3964 (av->assoc_id == SCTP_ALL_ASSOC)))) { 3965 SCTP_INP_WLOCK(inp); 3966 inp->sctp_ep.sctp_default_cc_module = av->assoc_value; 3967 SCTP_INP_WUNLOCK(inp); 3968 } 3969 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3970 ((av->assoc_id == SCTP_CURRENT_ASSOC) || 3971 (av->assoc_id == SCTP_ALL_ASSOC))) { 3972 SCTP_INP_RLOCK(inp); 3973 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 3974 SCTP_TCB_LOCK(stcb); 3975 stcb->asoc.cc_functions = sctp_cc_functions[av->assoc_value]; 3976 stcb->asoc.congestion_control_module = av->assoc_value; 3977 if (stcb->asoc.cc_functions.sctp_set_initial_cc_param != NULL) { 3978 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 3979 stcb->asoc.cc_functions.sctp_set_initial_cc_param(stcb, net); 3980 } 3981 } 3982 SCTP_TCB_UNLOCK(stcb); 3983 } 3984 SCTP_INP_RUNLOCK(inp); 3985 } 3986 } 3987 break; 3988 } 3989 case SCTP_CC_OPTION: 3990 { 3991 struct sctp_cc_option *cc_opt; 3992 3993 SCTP_CHECK_AND_CAST(cc_opt, optval, struct sctp_cc_option, optsize); 3994 SCTP_FIND_STCB(inp, stcb, cc_opt->aid_value.assoc_id); 3995 if (stcb == NULL) { 3996 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 3997 (cc_opt->aid_value.assoc_id == SCTP_CURRENT_ASSOC)) { 3998 SCTP_INP_RLOCK(inp); 3999 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4000 SCTP_TCB_LOCK(stcb); 4001 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option) { 4002 (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 1, cc_opt); 4003 } 4004 SCTP_TCB_UNLOCK(stcb); 4005 } 4006 SCTP_INP_RUNLOCK(inp); 4007 } else { 4008 error = EINVAL; 4009 } 4010 } else { 4011 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option == NULL) { 4012 error = ENOTSUP; 4013 } else { 4014 error = (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 1, 4015 cc_opt); 4016 } 4017 SCTP_TCB_UNLOCK(stcb); 4018 } 4019 break; 4020 } 4021 case SCTP_STREAM_SCHEDULER: 4022 { 4023 struct sctp_assoc_value *av; 4024 4025 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4026 if ((av->assoc_value != SCTP_SS_DEFAULT) && 4027 (av->assoc_value != SCTP_SS_RR) && 4028 (av->assoc_value != SCTP_SS_RR_PKT) && 4029 (av->assoc_value != SCTP_SS_PRIO) && 4030 (av->assoc_value != SCTP_SS_FB) && 4031 (av->assoc_value != SCTP_SS_FCFS)) { 4032 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4033 error = EINVAL; 4034 break; 4035 } 4036 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4037 if (stcb) { 4038 stcb->asoc.ss_functions.sctp_ss_clear(stcb, &stcb->asoc, true); 4039 stcb->asoc.ss_functions = sctp_ss_functions[av->assoc_value]; 4040 stcb->asoc.stream_scheduling_module = av->assoc_value; 4041 stcb->asoc.ss_functions.sctp_ss_init(stcb, &stcb->asoc); 4042 SCTP_TCB_UNLOCK(stcb); 4043 } else { 4044 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4045 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4046 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4047 ((av->assoc_id == SCTP_FUTURE_ASSOC) || 4048 (av->assoc_id == SCTP_ALL_ASSOC)))) { 4049 SCTP_INP_WLOCK(inp); 4050 inp->sctp_ep.sctp_default_ss_module = av->assoc_value; 4051 SCTP_INP_WUNLOCK(inp); 4052 } 4053 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4054 ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4055 (av->assoc_id == SCTP_ALL_ASSOC))) { 4056 SCTP_INP_RLOCK(inp); 4057 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4058 SCTP_TCB_LOCK(stcb); 4059 stcb->asoc.ss_functions.sctp_ss_clear(stcb, &stcb->asoc, true); 4060 stcb->asoc.ss_functions = sctp_ss_functions[av->assoc_value]; 4061 stcb->asoc.stream_scheduling_module = av->assoc_value; 4062 stcb->asoc.ss_functions.sctp_ss_init(stcb, &stcb->asoc); 4063 SCTP_TCB_UNLOCK(stcb); 4064 } 4065 SCTP_INP_RUNLOCK(inp); 4066 } 4067 } 4068 break; 4069 } 4070 case SCTP_STREAM_SCHEDULER_VALUE: 4071 { 4072 struct sctp_stream_value *av; 4073 4074 SCTP_CHECK_AND_CAST(av, optval, struct sctp_stream_value, optsize); 4075 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4076 if (stcb) { 4077 if ((av->stream_id >= stcb->asoc.streamoutcnt) || 4078 (stcb->asoc.ss_functions.sctp_ss_set_value(stcb, &stcb->asoc, &stcb->asoc.strmout[av->stream_id], 4079 av->stream_value) < 0)) { 4080 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4081 error = EINVAL; 4082 } 4083 SCTP_TCB_UNLOCK(stcb); 4084 } else { 4085 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4086 (av->assoc_id == SCTP_CURRENT_ASSOC)) { 4087 SCTP_INP_RLOCK(inp); 4088 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4089 SCTP_TCB_LOCK(stcb); 4090 if (av->stream_id < stcb->asoc.streamoutcnt) { 4091 stcb->asoc.ss_functions.sctp_ss_set_value(stcb, 4092 &stcb->asoc, 4093 &stcb->asoc.strmout[av->stream_id], 4094 av->stream_value); 4095 } 4096 SCTP_TCB_UNLOCK(stcb); 4097 } 4098 SCTP_INP_RUNLOCK(inp); 4099 } else { 4100 /* 4101 * Can't set stream value without 4102 * association 4103 */ 4104 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4105 error = EINVAL; 4106 } 4107 } 4108 break; 4109 } 4110 case SCTP_CLR_STAT_LOG: 4111 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4112 error = EOPNOTSUPP; 4113 break; 4114 case SCTP_CONTEXT: 4115 { 4116 struct sctp_assoc_value *av; 4117 4118 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4119 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4120 4121 if (stcb) { 4122 stcb->asoc.context = av->assoc_value; 4123 SCTP_TCB_UNLOCK(stcb); 4124 } else { 4125 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4126 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4127 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4128 ((av->assoc_id == SCTP_FUTURE_ASSOC) || 4129 (av->assoc_id == SCTP_ALL_ASSOC)))) { 4130 SCTP_INP_WLOCK(inp); 4131 inp->sctp_context = av->assoc_value; 4132 SCTP_INP_WUNLOCK(inp); 4133 } 4134 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4135 ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4136 (av->assoc_id == SCTP_ALL_ASSOC))) { 4137 SCTP_INP_RLOCK(inp); 4138 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4139 SCTP_TCB_LOCK(stcb); 4140 stcb->asoc.context = av->assoc_value; 4141 SCTP_TCB_UNLOCK(stcb); 4142 } 4143 SCTP_INP_RUNLOCK(inp); 4144 } 4145 } 4146 break; 4147 } 4148 case SCTP_VRF_ID: 4149 { 4150 uint32_t *default_vrfid; 4151 4152 SCTP_CHECK_AND_CAST(default_vrfid, optval, uint32_t, optsize); 4153 if (*default_vrfid > SCTP_MAX_VRF_ID) { 4154 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4155 error = EINVAL; 4156 break; 4157 } 4158 inp->def_vrf_id = *default_vrfid; 4159 break; 4160 } 4161 case SCTP_DEL_VRF_ID: 4162 { 4163 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4164 error = EOPNOTSUPP; 4165 break; 4166 } 4167 case SCTP_ADD_VRF_ID: 4168 { 4169 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4170 error = EOPNOTSUPP; 4171 break; 4172 } 4173 case SCTP_DELAYED_SACK: 4174 { 4175 struct sctp_sack_info *sack; 4176 4177 SCTP_CHECK_AND_CAST(sack, optval, struct sctp_sack_info, optsize); 4178 SCTP_FIND_STCB(inp, stcb, sack->sack_assoc_id); 4179 if (sack->sack_delay) { 4180 if (sack->sack_delay > SCTP_MAX_SACK_DELAY) { 4181 error = EINVAL; 4182 if (stcb != NULL) { 4183 SCTP_TCB_UNLOCK(stcb); 4184 } 4185 break; 4186 } 4187 } 4188 if (stcb) { 4189 if (sack->sack_delay) { 4190 stcb->asoc.delayed_ack = sack->sack_delay; 4191 } 4192 if (sack->sack_freq) { 4193 stcb->asoc.sack_freq = sack->sack_freq; 4194 } 4195 SCTP_TCB_UNLOCK(stcb); 4196 } else { 4197 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4198 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4199 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4200 ((sack->sack_assoc_id == SCTP_FUTURE_ASSOC) || 4201 (sack->sack_assoc_id == SCTP_ALL_ASSOC)))) { 4202 SCTP_INP_WLOCK(inp); 4203 if (sack->sack_delay) { 4204 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV] = sctp_msecs_to_ticks(sack->sack_delay); 4205 } 4206 if (sack->sack_freq) { 4207 inp->sctp_ep.sctp_sack_freq = sack->sack_freq; 4208 } 4209 SCTP_INP_WUNLOCK(inp); 4210 } 4211 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4212 ((sack->sack_assoc_id == SCTP_CURRENT_ASSOC) || 4213 (sack->sack_assoc_id == SCTP_ALL_ASSOC))) { 4214 SCTP_INP_RLOCK(inp); 4215 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4216 SCTP_TCB_LOCK(stcb); 4217 if (sack->sack_delay) { 4218 stcb->asoc.delayed_ack = sack->sack_delay; 4219 } 4220 if (sack->sack_freq) { 4221 stcb->asoc.sack_freq = sack->sack_freq; 4222 } 4223 SCTP_TCB_UNLOCK(stcb); 4224 } 4225 SCTP_INP_RUNLOCK(inp); 4226 } 4227 } 4228 break; 4229 } 4230 case SCTP_AUTH_CHUNK: 4231 { 4232 struct sctp_authchunk *sauth; 4233 4234 SCTP_CHECK_AND_CAST(sauth, optval, struct sctp_authchunk, optsize); 4235 4236 SCTP_INP_WLOCK(inp); 4237 if (sctp_auth_add_chunk(sauth->sauth_chunk, inp->sctp_ep.local_auth_chunks)) { 4238 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4239 error = EINVAL; 4240 } else { 4241 inp->auth_supported = 1; 4242 } 4243 SCTP_INP_WUNLOCK(inp); 4244 break; 4245 } 4246 case SCTP_AUTH_KEY: 4247 { 4248 struct sctp_authkey *sca; 4249 struct sctp_keyhead *shared_keys; 4250 sctp_sharedkey_t *shared_key; 4251 sctp_key_t *key = NULL; 4252 size_t size; 4253 4254 SCTP_CHECK_AND_CAST(sca, optval, struct sctp_authkey, optsize); 4255 if (sca->sca_keylength == 0) { 4256 size = optsize - sizeof(struct sctp_authkey); 4257 } else { 4258 if (sca->sca_keylength + sizeof(struct sctp_authkey) <= optsize) { 4259 size = sca->sca_keylength; 4260 } else { 4261 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4262 error = EINVAL; 4263 break; 4264 } 4265 } 4266 SCTP_FIND_STCB(inp, stcb, sca->sca_assoc_id); 4267 4268 if (stcb) { 4269 shared_keys = &stcb->asoc.shared_keys; 4270 /* clear the cached keys for this key id */ 4271 sctp_clear_cachedkeys(stcb, sca->sca_keynumber); 4272 /* 4273 * create the new shared key and 4274 * insert/replace it 4275 */ 4276 if (size > 0) { 4277 key = sctp_set_key(sca->sca_key, (uint32_t)size); 4278 if (key == NULL) { 4279 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4280 error = ENOMEM; 4281 SCTP_TCB_UNLOCK(stcb); 4282 break; 4283 } 4284 } 4285 shared_key = sctp_alloc_sharedkey(); 4286 if (shared_key == NULL) { 4287 sctp_free_key(key); 4288 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4289 error = ENOMEM; 4290 SCTP_TCB_UNLOCK(stcb); 4291 break; 4292 } 4293 shared_key->key = key; 4294 shared_key->keyid = sca->sca_keynumber; 4295 error = sctp_insert_sharedkey(shared_keys, shared_key); 4296 SCTP_TCB_UNLOCK(stcb); 4297 } else { 4298 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4299 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4300 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4301 ((sca->sca_assoc_id == SCTP_FUTURE_ASSOC) || 4302 (sca->sca_assoc_id == SCTP_ALL_ASSOC)))) { 4303 SCTP_INP_WLOCK(inp); 4304 shared_keys = &inp->sctp_ep.shared_keys; 4305 /* 4306 * clear the cached keys on all 4307 * assocs for this key id 4308 */ 4309 sctp_clear_cachedkeys_ep(inp, sca->sca_keynumber); 4310 /* 4311 * create the new shared key and 4312 * insert/replace it 4313 */ 4314 if (size > 0) { 4315 key = sctp_set_key(sca->sca_key, (uint32_t)size); 4316 if (key == NULL) { 4317 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4318 error = ENOMEM; 4319 SCTP_INP_WUNLOCK(inp); 4320 break; 4321 } 4322 } 4323 shared_key = sctp_alloc_sharedkey(); 4324 if (shared_key == NULL) { 4325 sctp_free_key(key); 4326 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4327 error = ENOMEM; 4328 SCTP_INP_WUNLOCK(inp); 4329 break; 4330 } 4331 shared_key->key = key; 4332 shared_key->keyid = sca->sca_keynumber; 4333 error = sctp_insert_sharedkey(shared_keys, shared_key); 4334 SCTP_INP_WUNLOCK(inp); 4335 } 4336 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4337 ((sca->sca_assoc_id == SCTP_CURRENT_ASSOC) || 4338 (sca->sca_assoc_id == SCTP_ALL_ASSOC))) { 4339 SCTP_INP_RLOCK(inp); 4340 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4341 SCTP_TCB_LOCK(stcb); 4342 shared_keys = &stcb->asoc.shared_keys; 4343 /* 4344 * clear the cached keys for 4345 * this key id 4346 */ 4347 sctp_clear_cachedkeys(stcb, sca->sca_keynumber); 4348 /* 4349 * create the new shared key 4350 * and insert/replace it 4351 */ 4352 if (size > 0) { 4353 key = sctp_set_key(sca->sca_key, (uint32_t)size); 4354 if (key == NULL) { 4355 SCTP_TCB_UNLOCK(stcb); 4356 continue; 4357 } 4358 } 4359 shared_key = sctp_alloc_sharedkey(); 4360 if (shared_key == NULL) { 4361 sctp_free_key(key); 4362 SCTP_TCB_UNLOCK(stcb); 4363 continue; 4364 } 4365 shared_key->key = key; 4366 shared_key->keyid = sca->sca_keynumber; 4367 error = sctp_insert_sharedkey(shared_keys, shared_key); 4368 SCTP_TCB_UNLOCK(stcb); 4369 } 4370 SCTP_INP_RUNLOCK(inp); 4371 } 4372 } 4373 break; 4374 } 4375 case SCTP_HMAC_IDENT: 4376 { 4377 struct sctp_hmacalgo *shmac; 4378 sctp_hmaclist_t *hmaclist; 4379 uint16_t hmacid; 4380 uint32_t i; 4381 4382 SCTP_CHECK_AND_CAST(shmac, optval, struct sctp_hmacalgo, optsize); 4383 if ((optsize < sizeof(struct sctp_hmacalgo) + shmac->shmac_number_of_idents * sizeof(uint16_t)) || 4384 (shmac->shmac_number_of_idents > 0xffff)) { 4385 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4386 error = EINVAL; 4387 break; 4388 } 4389 4390 hmaclist = sctp_alloc_hmaclist((uint16_t)shmac->shmac_number_of_idents); 4391 if (hmaclist == NULL) { 4392 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4393 error = ENOMEM; 4394 break; 4395 } 4396 for (i = 0; i < shmac->shmac_number_of_idents; i++) { 4397 hmacid = shmac->shmac_idents[i]; 4398 if (sctp_auth_add_hmacid(hmaclist, hmacid)) { 4399 /* invalid HMACs were found */ ; 4400 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4401 error = EINVAL; 4402 sctp_free_hmaclist(hmaclist); 4403 goto sctp_set_hmac_done; 4404 } 4405 } 4406 for (i = 0; i < hmaclist->num_algo; i++) { 4407 if (hmaclist->hmac[i] == SCTP_AUTH_HMAC_ID_SHA1) { 4408 /* already in list */ 4409 break; 4410 } 4411 } 4412 if (i == hmaclist->num_algo) { 4413 /* not found in list */ 4414 sctp_free_hmaclist(hmaclist); 4415 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4416 error = EINVAL; 4417 break; 4418 } 4419 /* set it on the endpoint */ 4420 SCTP_INP_WLOCK(inp); 4421 if (inp->sctp_ep.local_hmacs) 4422 sctp_free_hmaclist(inp->sctp_ep.local_hmacs); 4423 inp->sctp_ep.local_hmacs = hmaclist; 4424 SCTP_INP_WUNLOCK(inp); 4425 sctp_set_hmac_done: 4426 break; 4427 } 4428 case SCTP_AUTH_ACTIVE_KEY: 4429 { 4430 struct sctp_authkeyid *scact; 4431 4432 SCTP_CHECK_AND_CAST(scact, optval, struct sctp_authkeyid, optsize); 4433 SCTP_FIND_STCB(inp, stcb, scact->scact_assoc_id); 4434 4435 /* set the active key on the right place */ 4436 if (stcb) { 4437 /* set the active key on the assoc */ 4438 if (sctp_auth_setactivekey(stcb, 4439 scact->scact_keynumber)) { 4440 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, 4441 SCTP_FROM_SCTP_USRREQ, 4442 EINVAL); 4443 error = EINVAL; 4444 } 4445 SCTP_TCB_UNLOCK(stcb); 4446 } else { 4447 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4448 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4449 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4450 ((scact->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4451 (scact->scact_assoc_id == SCTP_ALL_ASSOC)))) { 4452 SCTP_INP_WLOCK(inp); 4453 if (sctp_auth_setactivekey_ep(inp, scact->scact_keynumber)) { 4454 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4455 error = EINVAL; 4456 } 4457 SCTP_INP_WUNLOCK(inp); 4458 } 4459 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4460 ((scact->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4461 (scact->scact_assoc_id == SCTP_ALL_ASSOC))) { 4462 SCTP_INP_RLOCK(inp); 4463 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4464 SCTP_TCB_LOCK(stcb); 4465 sctp_auth_setactivekey(stcb, scact->scact_keynumber); 4466 SCTP_TCB_UNLOCK(stcb); 4467 } 4468 SCTP_INP_RUNLOCK(inp); 4469 } 4470 } 4471 break; 4472 } 4473 case SCTP_AUTH_DELETE_KEY: 4474 { 4475 struct sctp_authkeyid *scdel; 4476 4477 SCTP_CHECK_AND_CAST(scdel, optval, struct sctp_authkeyid, optsize); 4478 SCTP_FIND_STCB(inp, stcb, scdel->scact_assoc_id); 4479 4480 /* delete the key from the right place */ 4481 if (stcb) { 4482 if (sctp_delete_sharedkey(stcb, scdel->scact_keynumber)) { 4483 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4484 error = EINVAL; 4485 } 4486 SCTP_TCB_UNLOCK(stcb); 4487 } else { 4488 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4489 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4490 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4491 ((scdel->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4492 (scdel->scact_assoc_id == SCTP_ALL_ASSOC)))) { 4493 SCTP_INP_WLOCK(inp); 4494 if (sctp_delete_sharedkey_ep(inp, scdel->scact_keynumber)) { 4495 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4496 error = EINVAL; 4497 } 4498 SCTP_INP_WUNLOCK(inp); 4499 } 4500 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4501 ((scdel->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4502 (scdel->scact_assoc_id == SCTP_ALL_ASSOC))) { 4503 SCTP_INP_RLOCK(inp); 4504 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4505 SCTP_TCB_LOCK(stcb); 4506 sctp_delete_sharedkey(stcb, scdel->scact_keynumber); 4507 SCTP_TCB_UNLOCK(stcb); 4508 } 4509 SCTP_INP_RUNLOCK(inp); 4510 } 4511 } 4512 break; 4513 } 4514 case SCTP_AUTH_DEACTIVATE_KEY: 4515 { 4516 struct sctp_authkeyid *keyid; 4517 4518 SCTP_CHECK_AND_CAST(keyid, optval, struct sctp_authkeyid, optsize); 4519 SCTP_FIND_STCB(inp, stcb, keyid->scact_assoc_id); 4520 4521 /* deactivate the key from the right place */ 4522 if (stcb) { 4523 if (sctp_deact_sharedkey(stcb, keyid->scact_keynumber)) { 4524 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4525 error = EINVAL; 4526 } 4527 SCTP_TCB_UNLOCK(stcb); 4528 } else { 4529 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4530 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4531 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4532 ((keyid->scact_assoc_id == SCTP_FUTURE_ASSOC) || 4533 (keyid->scact_assoc_id == SCTP_ALL_ASSOC)))) { 4534 SCTP_INP_WLOCK(inp); 4535 if (sctp_deact_sharedkey_ep(inp, keyid->scact_keynumber)) { 4536 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4537 error = EINVAL; 4538 } 4539 SCTP_INP_WUNLOCK(inp); 4540 } 4541 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4542 ((keyid->scact_assoc_id == SCTP_CURRENT_ASSOC) || 4543 (keyid->scact_assoc_id == SCTP_ALL_ASSOC))) { 4544 SCTP_INP_RLOCK(inp); 4545 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4546 SCTP_TCB_LOCK(stcb); 4547 sctp_deact_sharedkey(stcb, keyid->scact_keynumber); 4548 SCTP_TCB_UNLOCK(stcb); 4549 } 4550 SCTP_INP_RUNLOCK(inp); 4551 } 4552 } 4553 break; 4554 } 4555 case SCTP_ENABLE_STREAM_RESET: 4556 { 4557 struct sctp_assoc_value *av; 4558 4559 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4560 if (av->assoc_value & (~SCTP_ENABLE_VALUE_MASK)) { 4561 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4562 error = EINVAL; 4563 break; 4564 } 4565 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4566 if (stcb) { 4567 stcb->asoc.local_strreset_support = (uint8_t)av->assoc_value; 4568 SCTP_TCB_UNLOCK(stcb); 4569 } else { 4570 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4571 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4572 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4573 ((av->assoc_id == SCTP_FUTURE_ASSOC) || 4574 (av->assoc_id == SCTP_ALL_ASSOC)))) { 4575 SCTP_INP_WLOCK(inp); 4576 inp->local_strreset_support = (uint8_t)av->assoc_value; 4577 SCTP_INP_WUNLOCK(inp); 4578 } 4579 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4580 ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4581 (av->assoc_id == SCTP_ALL_ASSOC))) { 4582 SCTP_INP_RLOCK(inp); 4583 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4584 SCTP_TCB_LOCK(stcb); 4585 stcb->asoc.local_strreset_support = (uint8_t)av->assoc_value; 4586 SCTP_TCB_UNLOCK(stcb); 4587 } 4588 SCTP_INP_RUNLOCK(inp); 4589 } 4590 } 4591 break; 4592 } 4593 case SCTP_RESET_STREAMS: 4594 { 4595 struct sctp_reset_streams *strrst; 4596 int i, send_out = 0; 4597 int send_in = 0; 4598 4599 SCTP_CHECK_AND_CAST(strrst, optval, struct sctp_reset_streams, optsize); 4600 SCTP_FIND_STCB(inp, stcb, strrst->srs_assoc_id); 4601 if (stcb == NULL) { 4602 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4603 error = ENOENT; 4604 break; 4605 } 4606 if (stcb->asoc.reconfig_supported == 0) { 4607 /* 4608 * Peer does not support the chunk type. 4609 */ 4610 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4611 error = EOPNOTSUPP; 4612 SCTP_TCB_UNLOCK(stcb); 4613 break; 4614 } 4615 if (SCTP_GET_STATE(stcb) != SCTP_STATE_OPEN) { 4616 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4617 error = EINVAL; 4618 SCTP_TCB_UNLOCK(stcb); 4619 break; 4620 } 4621 if (sizeof(struct sctp_reset_streams) + 4622 strrst->srs_number_streams * sizeof(uint16_t) > optsize) { 4623 error = EINVAL; 4624 SCTP_TCB_UNLOCK(stcb); 4625 break; 4626 } 4627 if (strrst->srs_flags & SCTP_STREAM_RESET_INCOMING) { 4628 send_in = 1; 4629 if (stcb->asoc.stream_reset_outstanding) { 4630 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4631 error = EALREADY; 4632 SCTP_TCB_UNLOCK(stcb); 4633 break; 4634 } 4635 } 4636 if (strrst->srs_flags & SCTP_STREAM_RESET_OUTGOING) { 4637 send_out = 1; 4638 } 4639 if ((strrst->srs_number_streams > SCTP_MAX_STREAMS_AT_ONCE_RESET) && send_in) { 4640 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM); 4641 error = ENOMEM; 4642 SCTP_TCB_UNLOCK(stcb); 4643 break; 4644 } 4645 if ((send_in == 0) && (send_out == 0)) { 4646 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4647 error = EINVAL; 4648 SCTP_TCB_UNLOCK(stcb); 4649 break; 4650 } 4651 for (i = 0; i < strrst->srs_number_streams; i++) { 4652 if ((send_in) && 4653 (strrst->srs_stream_list[i] >= stcb->asoc.streamincnt)) { 4654 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4655 error = EINVAL; 4656 break; 4657 } 4658 if ((send_out) && 4659 (strrst->srs_stream_list[i] >= stcb->asoc.streamoutcnt)) { 4660 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4661 error = EINVAL; 4662 break; 4663 } 4664 } 4665 if (error) { 4666 SCTP_TCB_UNLOCK(stcb); 4667 break; 4668 } 4669 if (send_out) { 4670 int cnt; 4671 uint16_t strm; 4672 4673 if (strrst->srs_number_streams) { 4674 for (i = 0, cnt = 0; i < strrst->srs_number_streams; i++) { 4675 strm = strrst->srs_stream_list[i]; 4676 if (stcb->asoc.strmout[strm].state == SCTP_STREAM_OPEN) { 4677 stcb->asoc.strmout[strm].state = SCTP_STREAM_RESET_PENDING; 4678 cnt++; 4679 } 4680 } 4681 } else { 4682 /* Its all */ 4683 for (i = 0, cnt = 0; i < stcb->asoc.streamoutcnt; i++) { 4684 if (stcb->asoc.strmout[i].state == SCTP_STREAM_OPEN) { 4685 stcb->asoc.strmout[i].state = SCTP_STREAM_RESET_PENDING; 4686 cnt++; 4687 } 4688 } 4689 } 4690 } 4691 if (send_in) { 4692 error = sctp_send_str_reset_req(stcb, strrst->srs_number_streams, 4693 strrst->srs_stream_list, 4694 send_in, 0, 0, 0, 0, 0); 4695 } else { 4696 error = sctp_send_stream_reset_out_if_possible(stcb, SCTP_SO_LOCKED); 4697 } 4698 if (error == 0) { 4699 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4700 } else { 4701 /* 4702 * For outgoing streams don't report any 4703 * problems in sending the request to the 4704 * application. XXX: Double check resetting 4705 * incoming streams. 4706 */ 4707 error = 0; 4708 } 4709 SCTP_TCB_UNLOCK(stcb); 4710 break; 4711 } 4712 case SCTP_ADD_STREAMS: 4713 { 4714 struct sctp_add_streams *stradd; 4715 uint8_t addstream = 0; 4716 uint16_t add_o_strmcnt = 0; 4717 uint16_t add_i_strmcnt = 0; 4718 4719 SCTP_CHECK_AND_CAST(stradd, optval, struct sctp_add_streams, optsize); 4720 SCTP_FIND_STCB(inp, stcb, stradd->sas_assoc_id); 4721 if (stcb == NULL) { 4722 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4723 error = ENOENT; 4724 break; 4725 } 4726 if (stcb->asoc.reconfig_supported == 0) { 4727 /* 4728 * Peer does not support the chunk type. 4729 */ 4730 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4731 error = EOPNOTSUPP; 4732 SCTP_TCB_UNLOCK(stcb); 4733 break; 4734 } 4735 if (SCTP_GET_STATE(stcb) != SCTP_STATE_OPEN) { 4736 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4737 error = EINVAL; 4738 SCTP_TCB_UNLOCK(stcb); 4739 break; 4740 } 4741 if (stcb->asoc.stream_reset_outstanding) { 4742 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4743 error = EALREADY; 4744 SCTP_TCB_UNLOCK(stcb); 4745 break; 4746 } 4747 if ((stradd->sas_outstrms == 0) && 4748 (stradd->sas_instrms == 0)) { 4749 error = EINVAL; 4750 goto skip_stuff; 4751 } 4752 if (stradd->sas_outstrms) { 4753 addstream = 1; 4754 /* We allocate here */ 4755 add_o_strmcnt = stradd->sas_outstrms; 4756 if ((((int)add_o_strmcnt) + ((int)stcb->asoc.streamoutcnt)) > 0x0000ffff) { 4757 /* You can't have more than 64k */ 4758 error = EINVAL; 4759 goto skip_stuff; 4760 } 4761 } 4762 if (stradd->sas_instrms) { 4763 int cnt; 4764 4765 addstream |= 2; 4766 /* 4767 * We allocate inside 4768 * sctp_send_str_reset_req() 4769 */ 4770 add_i_strmcnt = stradd->sas_instrms; 4771 cnt = add_i_strmcnt; 4772 cnt += stcb->asoc.streamincnt; 4773 if (cnt > 0x0000ffff) { 4774 /* You can't have more than 64k */ 4775 error = EINVAL; 4776 goto skip_stuff; 4777 } 4778 if (cnt > (int)stcb->asoc.max_inbound_streams) { 4779 /* More than you are allowed */ 4780 error = EINVAL; 4781 goto skip_stuff; 4782 } 4783 } 4784 error = sctp_send_str_reset_req(stcb, 0, NULL, 0, 0, addstream, add_o_strmcnt, add_i_strmcnt, 0); 4785 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4786 skip_stuff: 4787 SCTP_TCB_UNLOCK(stcb); 4788 break; 4789 } 4790 case SCTP_RESET_ASSOC: 4791 { 4792 int i; 4793 uint32_t *value; 4794 4795 SCTP_CHECK_AND_CAST(value, optval, uint32_t, optsize); 4796 SCTP_FIND_STCB(inp, stcb, (sctp_assoc_t)*value); 4797 if (stcb == NULL) { 4798 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4799 error = ENOENT; 4800 break; 4801 } 4802 if (stcb->asoc.reconfig_supported == 0) { 4803 /* 4804 * Peer does not support the chunk type. 4805 */ 4806 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 4807 error = EOPNOTSUPP; 4808 SCTP_TCB_UNLOCK(stcb); 4809 break; 4810 } 4811 if (SCTP_GET_STATE(stcb) != SCTP_STATE_OPEN) { 4812 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4813 error = EINVAL; 4814 SCTP_TCB_UNLOCK(stcb); 4815 break; 4816 } 4817 if (stcb->asoc.stream_reset_outstanding) { 4818 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4819 error = EALREADY; 4820 SCTP_TCB_UNLOCK(stcb); 4821 break; 4822 } 4823 /* 4824 * Is there any data pending in the send or sent 4825 * queues? 4826 */ 4827 if (!TAILQ_EMPTY(&stcb->asoc.send_queue) || 4828 !TAILQ_EMPTY(&stcb->asoc.sent_queue)) { 4829 busy_out: 4830 error = EBUSY; 4831 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 4832 SCTP_TCB_UNLOCK(stcb); 4833 break; 4834 } 4835 /* Do any streams have data queued? */ 4836 for (i = 0; i < stcb->asoc.streamoutcnt; i++) { 4837 if (!TAILQ_EMPTY(&stcb->asoc.strmout[i].outqueue)) { 4838 goto busy_out; 4839 } 4840 } 4841 error = sctp_send_str_reset_req(stcb, 0, NULL, 0, 1, 0, 0, 0, 0); 4842 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED); 4843 SCTP_TCB_UNLOCK(stcb); 4844 break; 4845 } 4846 case SCTP_CONNECT_X: 4847 if (optsize < (sizeof(int) + sizeof(struct sockaddr_in))) { 4848 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4849 error = EINVAL; 4850 break; 4851 } 4852 error = sctp_do_connect_x(so, inp, optval, optsize, p, 0); 4853 break; 4854 case SCTP_CONNECT_X_DELAYED: 4855 if (optsize < (sizeof(int) + sizeof(struct sockaddr_in))) { 4856 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4857 error = EINVAL; 4858 break; 4859 } 4860 error = sctp_do_connect_x(so, inp, optval, optsize, p, 1); 4861 break; 4862 case SCTP_CONNECT_X_COMPLETE: 4863 { 4864 struct sockaddr *sa; 4865 4866 /* FIXME MT: check correct? */ 4867 SCTP_CHECK_AND_CAST(sa, optval, struct sockaddr, optsize); 4868 4869 /* find tcb */ 4870 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 4871 SCTP_INP_RLOCK(inp); 4872 stcb = LIST_FIRST(&inp->sctp_asoc_list); 4873 if (stcb) { 4874 SCTP_TCB_LOCK(stcb); 4875 } 4876 SCTP_INP_RUNLOCK(inp); 4877 } else { 4878 /* 4879 * We increment here since 4880 * sctp_findassociation_ep_addr() wil do a 4881 * decrement if it finds the stcb as long as 4882 * the locked tcb (last argument) is NOT a 4883 * TCB.. aka NULL. 4884 */ 4885 SCTP_INP_INCR_REF(inp); 4886 stcb = sctp_findassociation_ep_addr(&inp, sa, NULL, NULL, NULL); 4887 if (stcb == NULL) { 4888 SCTP_INP_DECR_REF(inp); 4889 } 4890 } 4891 4892 if (stcb == NULL) { 4893 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 4894 error = ENOENT; 4895 break; 4896 } 4897 if (stcb->asoc.delayed_connection == 1) { 4898 stcb->asoc.delayed_connection = 0; 4899 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 4900 sctp_timer_stop(SCTP_TIMER_TYPE_INIT, inp, stcb, 4901 stcb->asoc.primary_destination, 4902 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_8); 4903 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 4904 } else { 4905 /* 4906 * already expired or did not use delayed 4907 * connectx 4908 */ 4909 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 4910 error = EALREADY; 4911 } 4912 SCTP_TCB_UNLOCK(stcb); 4913 break; 4914 } 4915 case SCTP_MAX_BURST: 4916 { 4917 struct sctp_assoc_value *av; 4918 4919 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4920 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4921 4922 if (stcb) { 4923 stcb->asoc.max_burst = av->assoc_value; 4924 SCTP_TCB_UNLOCK(stcb); 4925 } else { 4926 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4927 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4928 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4929 ((av->assoc_id == SCTP_FUTURE_ASSOC) || 4930 (av->assoc_id == SCTP_ALL_ASSOC)))) { 4931 SCTP_INP_WLOCK(inp); 4932 inp->sctp_ep.max_burst = av->assoc_value; 4933 SCTP_INP_WUNLOCK(inp); 4934 } 4935 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4936 ((av->assoc_id == SCTP_CURRENT_ASSOC) || 4937 (av->assoc_id == SCTP_ALL_ASSOC))) { 4938 SCTP_INP_RLOCK(inp); 4939 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 4940 SCTP_TCB_LOCK(stcb); 4941 stcb->asoc.max_burst = av->assoc_value; 4942 SCTP_TCB_UNLOCK(stcb); 4943 } 4944 SCTP_INP_RUNLOCK(inp); 4945 } 4946 } 4947 break; 4948 } 4949 case SCTP_MAXSEG: 4950 { 4951 struct sctp_assoc_value *av; 4952 4953 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 4954 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 4955 4956 if (stcb) { 4957 stcb->asoc.sctp_frag_point = av->assoc_value; 4958 SCTP_TCB_UNLOCK(stcb); 4959 } else { 4960 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 4961 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 4962 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 4963 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 4964 SCTP_INP_WLOCK(inp); 4965 inp->sctp_frag_point = av->assoc_value; 4966 SCTP_INP_WUNLOCK(inp); 4967 } else { 4968 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 4969 error = EINVAL; 4970 } 4971 } 4972 break; 4973 } 4974 case SCTP_EVENTS: 4975 { 4976 struct sctp_event_subscribe *events; 4977 4978 SCTP_CHECK_AND_CAST(events, optval, struct sctp_event_subscribe, optsize); 4979 4980 SCTP_INP_WLOCK(inp); 4981 if (events->sctp_data_io_event) { 4982 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT); 4983 } else { 4984 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT); 4985 } 4986 4987 if (events->sctp_association_event) { 4988 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT); 4989 } else { 4990 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT); 4991 } 4992 4993 if (events->sctp_address_event) { 4994 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVPADDREVNT); 4995 } else { 4996 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVPADDREVNT); 4997 } 4998 4999 if (events->sctp_send_failure_event) { 5000 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 5001 } else { 5002 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 5003 } 5004 5005 if (events->sctp_peer_error_event) { 5006 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVPEERERR); 5007 } else { 5008 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVPEERERR); 5009 } 5010 5011 if (events->sctp_shutdown_event) { 5012 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 5013 } else { 5014 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 5015 } 5016 5017 if (events->sctp_partial_delivery_event) { 5018 sctp_feature_on(inp, SCTP_PCB_FLAGS_PDAPIEVNT); 5019 } else { 5020 sctp_feature_off(inp, SCTP_PCB_FLAGS_PDAPIEVNT); 5021 } 5022 5023 if (events->sctp_adaptation_layer_event) { 5024 sctp_feature_on(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 5025 } else { 5026 sctp_feature_off(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 5027 } 5028 5029 if (events->sctp_authentication_event) { 5030 sctp_feature_on(inp, SCTP_PCB_FLAGS_AUTHEVNT); 5031 } else { 5032 sctp_feature_off(inp, SCTP_PCB_FLAGS_AUTHEVNT); 5033 } 5034 5035 if (events->sctp_sender_dry_event) { 5036 sctp_feature_on(inp, SCTP_PCB_FLAGS_DRYEVNT); 5037 } else { 5038 sctp_feature_off(inp, SCTP_PCB_FLAGS_DRYEVNT); 5039 } 5040 5041 if (events->sctp_stream_reset_event) { 5042 sctp_feature_on(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 5043 } else { 5044 sctp_feature_off(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 5045 } 5046 5047 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 5048 SCTP_TCB_LOCK(stcb); 5049 if (events->sctp_association_event) { 5050 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVASSOCEVNT); 5051 } else { 5052 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVASSOCEVNT); 5053 } 5054 if (events->sctp_address_event) { 5055 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVPADDREVNT); 5056 } else { 5057 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVPADDREVNT); 5058 } 5059 if (events->sctp_send_failure_event) { 5060 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 5061 } else { 5062 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVSENDFAILEVNT); 5063 } 5064 if (events->sctp_peer_error_event) { 5065 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVPEERERR); 5066 } else { 5067 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVPEERERR); 5068 } 5069 if (events->sctp_shutdown_event) { 5070 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 5071 } else { 5072 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT); 5073 } 5074 if (events->sctp_partial_delivery_event) { 5075 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_PDAPIEVNT); 5076 } else { 5077 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_PDAPIEVNT); 5078 } 5079 if (events->sctp_adaptation_layer_event) { 5080 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 5081 } else { 5082 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_ADAPTATIONEVNT); 5083 } 5084 if (events->sctp_authentication_event) { 5085 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_AUTHEVNT); 5086 } else { 5087 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_AUTHEVNT); 5088 } 5089 if (events->sctp_sender_dry_event) { 5090 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DRYEVNT); 5091 } else { 5092 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DRYEVNT); 5093 } 5094 if (events->sctp_stream_reset_event) { 5095 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 5096 } else { 5097 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_STREAM_RESETEVNT); 5098 } 5099 SCTP_TCB_UNLOCK(stcb); 5100 } 5101 /* 5102 * Send up the sender dry event only for 1-to-1 5103 * style sockets. 5104 */ 5105 if (events->sctp_sender_dry_event) { 5106 if (((inp->sctp_flags & (SCTP_PCB_FLAGS_TCPTYPE | SCTP_PCB_FLAGS_IN_TCPPOOL)) != 0) && 5107 !SCTP_IS_LISTENING(inp)) { 5108 stcb = LIST_FIRST(&inp->sctp_asoc_list); 5109 if (stcb != NULL) { 5110 SCTP_TCB_LOCK(stcb); 5111 if (TAILQ_EMPTY(&stcb->asoc.send_queue) && 5112 TAILQ_EMPTY(&stcb->asoc.sent_queue) && 5113 (stcb->asoc.stream_queue_cnt == 0)) { 5114 sctp_ulp_notify(SCTP_NOTIFY_SENDER_DRY, stcb, 0, NULL, SCTP_SO_LOCKED); 5115 } 5116 SCTP_TCB_UNLOCK(stcb); 5117 } 5118 } 5119 } 5120 SCTP_INP_WUNLOCK(inp); 5121 break; 5122 } 5123 case SCTP_ADAPTATION_LAYER: 5124 { 5125 struct sctp_setadaptation *adap_bits; 5126 5127 SCTP_CHECK_AND_CAST(adap_bits, optval, struct sctp_setadaptation, optsize); 5128 SCTP_INP_WLOCK(inp); 5129 inp->sctp_ep.adaptation_layer_indicator = adap_bits->ssb_adaptation_ind; 5130 inp->sctp_ep.adaptation_layer_indicator_provided = 1; 5131 SCTP_INP_WUNLOCK(inp); 5132 break; 5133 } 5134 #ifdef SCTP_DEBUG 5135 case SCTP_SET_INITIAL_DBG_SEQ: 5136 { 5137 uint32_t *vvv; 5138 5139 SCTP_CHECK_AND_CAST(vvv, optval, uint32_t, optsize); 5140 SCTP_INP_WLOCK(inp); 5141 inp->sctp_ep.initial_sequence_debug = *vvv; 5142 SCTP_INP_WUNLOCK(inp); 5143 break; 5144 } 5145 #endif 5146 case SCTP_DEFAULT_SEND_PARAM: 5147 { 5148 struct sctp_sndrcvinfo *s_info; 5149 5150 SCTP_CHECK_AND_CAST(s_info, optval, struct sctp_sndrcvinfo, optsize); 5151 SCTP_FIND_STCB(inp, stcb, s_info->sinfo_assoc_id); 5152 5153 if (stcb) { 5154 if (s_info->sinfo_stream < stcb->asoc.streamoutcnt) { 5155 memcpy(&stcb->asoc.def_send, s_info, min(optsize, sizeof(stcb->asoc.def_send))); 5156 } else { 5157 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5158 error = EINVAL; 5159 } 5160 SCTP_TCB_UNLOCK(stcb); 5161 } else { 5162 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5163 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5164 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 5165 ((s_info->sinfo_assoc_id == SCTP_FUTURE_ASSOC) || 5166 (s_info->sinfo_assoc_id == SCTP_ALL_ASSOC)))) { 5167 SCTP_INP_WLOCK(inp); 5168 memcpy(&inp->def_send, s_info, min(optsize, sizeof(inp->def_send))); 5169 SCTP_INP_WUNLOCK(inp); 5170 } 5171 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 5172 ((s_info->sinfo_assoc_id == SCTP_CURRENT_ASSOC) || 5173 (s_info->sinfo_assoc_id == SCTP_ALL_ASSOC))) { 5174 SCTP_INP_RLOCK(inp); 5175 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 5176 SCTP_TCB_LOCK(stcb); 5177 if (s_info->sinfo_stream < stcb->asoc.streamoutcnt) { 5178 memcpy(&stcb->asoc.def_send, s_info, min(optsize, sizeof(stcb->asoc.def_send))); 5179 } 5180 SCTP_TCB_UNLOCK(stcb); 5181 } 5182 SCTP_INP_RUNLOCK(inp); 5183 } 5184 } 5185 break; 5186 } 5187 case SCTP_PEER_ADDR_PARAMS: 5188 { 5189 struct sctp_paddrparams *paddrp; 5190 struct sctp_nets *net; 5191 struct sockaddr *addr; 5192 #if defined(INET) && defined(INET6) 5193 struct sockaddr_in sin_store; 5194 #endif 5195 5196 SCTP_CHECK_AND_CAST(paddrp, optval, struct sctp_paddrparams, optsize); 5197 SCTP_FIND_STCB(inp, stcb, paddrp->spp_assoc_id); 5198 5199 #if defined(INET) && defined(INET6) 5200 if (paddrp->spp_address.ss_family == AF_INET6) { 5201 struct sockaddr_in6 *sin6; 5202 5203 sin6 = (struct sockaddr_in6 *)&paddrp->spp_address; 5204 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 5205 in6_sin6_2_sin(&sin_store, sin6); 5206 addr = (struct sockaddr *)&sin_store; 5207 } else { 5208 addr = (struct sockaddr *)&paddrp->spp_address; 5209 } 5210 } else { 5211 addr = (struct sockaddr *)&paddrp->spp_address; 5212 } 5213 #else 5214 addr = (struct sockaddr *)&paddrp->spp_address; 5215 #endif 5216 if (stcb != NULL) { 5217 net = sctp_findnet(stcb, addr); 5218 } else { 5219 /* 5220 * We increment here since 5221 * sctp_findassociation_ep_addr() wil do a 5222 * decrement if it finds the stcb as long as 5223 * the locked tcb (last argument) is NOT a 5224 * TCB.. aka NULL. 5225 */ 5226 net = NULL; 5227 SCTP_INP_INCR_REF(inp); 5228 stcb = sctp_findassociation_ep_addr(&inp, addr, 5229 &net, NULL, NULL); 5230 if (stcb == NULL) { 5231 SCTP_INP_DECR_REF(inp); 5232 } 5233 } 5234 if ((stcb != NULL) && (net == NULL)) { 5235 #ifdef INET 5236 if (addr->sa_family == AF_INET) { 5237 struct sockaddr_in *sin; 5238 5239 sin = (struct sockaddr_in *)addr; 5240 if (sin->sin_addr.s_addr != INADDR_ANY) { 5241 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5242 SCTP_TCB_UNLOCK(stcb); 5243 error = EINVAL; 5244 break; 5245 } 5246 } else 5247 #endif 5248 #ifdef INET6 5249 if (addr->sa_family == AF_INET6) { 5250 struct sockaddr_in6 *sin6; 5251 5252 sin6 = (struct sockaddr_in6 *)addr; 5253 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 5254 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5255 SCTP_TCB_UNLOCK(stcb); 5256 error = EINVAL; 5257 break; 5258 } 5259 } else 5260 #endif 5261 { 5262 error = EAFNOSUPPORT; 5263 SCTP_TCB_UNLOCK(stcb); 5264 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 5265 break; 5266 } 5267 } 5268 /* sanity checks */ 5269 if ((paddrp->spp_flags & SPP_HB_ENABLE) && (paddrp->spp_flags & SPP_HB_DISABLE)) { 5270 if (stcb) 5271 SCTP_TCB_UNLOCK(stcb); 5272 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5273 return (EINVAL); 5274 } 5275 5276 if ((paddrp->spp_flags & SPP_PMTUD_ENABLE) && (paddrp->spp_flags & SPP_PMTUD_DISABLE)) { 5277 if (stcb) 5278 SCTP_TCB_UNLOCK(stcb); 5279 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5280 return (EINVAL); 5281 } 5282 if ((paddrp->spp_flags & SPP_PMTUD_DISABLE) && 5283 (paddrp->spp_pathmtu > 0) && 5284 ((paddrp->spp_pathmtu < SCTP_SMALLEST_PMTU) || 5285 (paddrp->spp_pathmtu > SCTP_LARGEST_PMTU))) { 5286 if (stcb) 5287 SCTP_TCB_UNLOCK(stcb); 5288 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5289 return (EINVAL); 5290 } 5291 5292 if (stcb != NULL) { 5293 /************************TCB SPECIFIC SET ******************/ 5294 if (net != NULL) { 5295 /************************NET SPECIFIC SET ******************/ 5296 if (paddrp->spp_flags & SPP_HB_DISABLE) { 5297 if (((net->dest_state & SCTP_ADDR_UNCONFIRMED) == 0) && 5298 ((net->dest_state & SCTP_ADDR_NOHB) == 0)) { 5299 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 5300 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_9); 5301 } 5302 net->dest_state |= SCTP_ADDR_NOHB; 5303 } 5304 if (paddrp->spp_flags & SPP_HB_ENABLE) { 5305 if (paddrp->spp_hbinterval) { 5306 net->heart_beat_delay = paddrp->spp_hbinterval; 5307 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5308 net->heart_beat_delay = 0; 5309 } 5310 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 5311 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10); 5312 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 5313 net->dest_state &= ~SCTP_ADDR_NOHB; 5314 } 5315 if (paddrp->spp_flags & SPP_HB_DEMAND) { 5316 if (SCTP_GET_STATE(stcb) == SCTP_STATE_OPEN) { 5317 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5318 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_SOCKOPT, SCTP_SO_LOCKED); 5319 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 5320 } 5321 } 5322 if (paddrp->spp_flags & SPP_PMTUD_DISABLE) { 5323 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5324 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 5325 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_11); 5326 } 5327 net->dest_state |= SCTP_ADDR_NO_PMTUD; 5328 if (paddrp->spp_pathmtu > 0) { 5329 net->mtu = paddrp->spp_pathmtu; 5330 switch (net->ro._l_addr.sa.sa_family) { 5331 #ifdef INET 5332 case AF_INET: 5333 net->mtu += SCTP_MIN_V4_OVERHEAD; 5334 break; 5335 #endif 5336 #ifdef INET6 5337 case AF_INET6: 5338 net->mtu += SCTP_MIN_OVERHEAD; 5339 break; 5340 #endif 5341 default: 5342 break; 5343 } 5344 if (net->mtu < stcb->asoc.smallest_mtu) { 5345 sctp_pathmtu_adjustment(stcb, net->mtu, true); 5346 } 5347 } 5348 } 5349 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 5350 if (!SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5351 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 5352 } 5353 net->dest_state &= ~SCTP_ADDR_NO_PMTUD; 5354 } 5355 if (paddrp->spp_pathmaxrxt > 0) { 5356 if (net->dest_state & SCTP_ADDR_PF) { 5357 if (net->error_count > paddrp->spp_pathmaxrxt) { 5358 net->dest_state &= ~SCTP_ADDR_PF; 5359 } 5360 } else { 5361 if ((net->error_count <= paddrp->spp_pathmaxrxt) && 5362 (net->error_count > net->pf_threshold)) { 5363 net->dest_state |= SCTP_ADDR_PF; 5364 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5365 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 5366 stcb->sctp_ep, stcb, net, 5367 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_12); 5368 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 5369 } 5370 } 5371 if (net->dest_state & SCTP_ADDR_REACHABLE) { 5372 if (net->error_count > paddrp->spp_pathmaxrxt) { 5373 net->dest_state &= ~SCTP_ADDR_REACHABLE; 5374 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 5375 } 5376 } else { 5377 if (net->error_count <= paddrp->spp_pathmaxrxt) { 5378 net->dest_state |= SCTP_ADDR_REACHABLE; 5379 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 5380 } 5381 } 5382 net->failure_threshold = paddrp->spp_pathmaxrxt; 5383 } 5384 if (paddrp->spp_flags & SPP_DSCP) { 5385 net->dscp = paddrp->spp_dscp & 0xfc; 5386 net->dscp |= 0x01; 5387 } 5388 #ifdef INET6 5389 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 5390 if (net->ro._l_addr.sa.sa_family == AF_INET6) { 5391 net->flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5392 net->flowlabel |= 0x80000000; 5393 } 5394 } 5395 #endif 5396 } else { 5397 /************************ASSOC ONLY -- NO NET SPECIFIC SET ******************/ 5398 if (paddrp->spp_pathmaxrxt > 0) { 5399 stcb->asoc.def_net_failure = paddrp->spp_pathmaxrxt; 5400 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5401 if (net->dest_state & SCTP_ADDR_PF) { 5402 if (net->error_count > paddrp->spp_pathmaxrxt) { 5403 net->dest_state &= ~SCTP_ADDR_PF; 5404 } 5405 } else { 5406 if ((net->error_count <= paddrp->spp_pathmaxrxt) && 5407 (net->error_count > net->pf_threshold)) { 5408 net->dest_state |= SCTP_ADDR_PF; 5409 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 5410 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 5411 stcb->sctp_ep, stcb, net, 5412 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_13); 5413 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 5414 } 5415 } 5416 if (net->dest_state & SCTP_ADDR_REACHABLE) { 5417 if (net->error_count > paddrp->spp_pathmaxrxt) { 5418 net->dest_state &= ~SCTP_ADDR_REACHABLE; 5419 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 5420 } 5421 } else { 5422 if (net->error_count <= paddrp->spp_pathmaxrxt) { 5423 net->dest_state |= SCTP_ADDR_REACHABLE; 5424 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 5425 } 5426 } 5427 net->failure_threshold = paddrp->spp_pathmaxrxt; 5428 } 5429 } 5430 if (paddrp->spp_flags & SPP_HB_ENABLE) { 5431 if (paddrp->spp_hbinterval != 0) { 5432 stcb->asoc.heart_beat_delay = paddrp->spp_hbinterval; 5433 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5434 stcb->asoc.heart_beat_delay = 0; 5435 } 5436 /* Turn back on the timer */ 5437 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5438 if (paddrp->spp_hbinterval != 0) { 5439 net->heart_beat_delay = paddrp->spp_hbinterval; 5440 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5441 net->heart_beat_delay = 0; 5442 } 5443 if (net->dest_state & SCTP_ADDR_NOHB) { 5444 net->dest_state &= ~SCTP_ADDR_NOHB; 5445 } 5446 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, 5447 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_14); 5448 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net); 5449 } 5450 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5451 } 5452 if (paddrp->spp_flags & SPP_HB_DISABLE) { 5453 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5454 if ((net->dest_state & SCTP_ADDR_NOHB) == 0) { 5455 net->dest_state |= SCTP_ADDR_NOHB; 5456 if ((net->dest_state & SCTP_ADDR_UNCONFIRMED) == 0) { 5457 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 5458 inp, stcb, net, 5459 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_15); 5460 } 5461 } 5462 } 5463 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5464 } 5465 if (paddrp->spp_flags & SPP_PMTUD_DISABLE) { 5466 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5467 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5468 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net, 5469 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_16); 5470 } 5471 net->dest_state |= SCTP_ADDR_NO_PMTUD; 5472 if (paddrp->spp_pathmtu > 0) { 5473 net->mtu = paddrp->spp_pathmtu; 5474 switch (net->ro._l_addr.sa.sa_family) { 5475 #ifdef INET 5476 case AF_INET: 5477 net->mtu += SCTP_MIN_V4_OVERHEAD; 5478 break; 5479 #endif 5480 #ifdef INET6 5481 case AF_INET6: 5482 net->mtu += SCTP_MIN_OVERHEAD; 5483 break; 5484 #endif 5485 default: 5486 break; 5487 } 5488 if (net->mtu < stcb->asoc.smallest_mtu) { 5489 sctp_pathmtu_adjustment(stcb, net->mtu, true); 5490 } 5491 } 5492 } 5493 if (paddrp->spp_pathmtu > 0) { 5494 stcb->asoc.default_mtu = paddrp->spp_pathmtu; 5495 } 5496 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5497 } 5498 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 5499 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5500 if (!SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) { 5501 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net); 5502 } 5503 net->dest_state &= ~SCTP_ADDR_NO_PMTUD; 5504 } 5505 stcb->asoc.default_mtu = 0; 5506 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5507 } 5508 if (paddrp->spp_flags & SPP_DSCP) { 5509 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5510 net->dscp = paddrp->spp_dscp & 0xfc; 5511 net->dscp |= 0x01; 5512 } 5513 stcb->asoc.default_dscp = paddrp->spp_dscp & 0xfc; 5514 stcb->asoc.default_dscp |= 0x01; 5515 } 5516 #ifdef INET6 5517 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 5518 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 5519 if (net->ro._l_addr.sa.sa_family == AF_INET6) { 5520 net->flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5521 net->flowlabel |= 0x80000000; 5522 } 5523 } 5524 stcb->asoc.default_flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5525 stcb->asoc.default_flowlabel |= 0x80000000; 5526 } 5527 #endif 5528 } 5529 SCTP_TCB_UNLOCK(stcb); 5530 } else { 5531 /************************NO TCB, SET TO default stuff ******************/ 5532 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5533 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5534 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 5535 (paddrp->spp_assoc_id == SCTP_FUTURE_ASSOC))) { 5536 SCTP_INP_WLOCK(inp); 5537 /* 5538 * For the TOS/FLOWLABEL stuff you 5539 * set it with the options on the 5540 * socket 5541 */ 5542 if (paddrp->spp_pathmaxrxt > 0) { 5543 inp->sctp_ep.def_net_failure = paddrp->spp_pathmaxrxt; 5544 } 5545 5546 if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) 5547 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = 0; 5548 else if (paddrp->spp_hbinterval != 0) { 5549 if (paddrp->spp_hbinterval > SCTP_MAX_HB_INTERVAL) 5550 paddrp->spp_hbinterval = SCTP_MAX_HB_INTERVAL; 5551 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = sctp_msecs_to_ticks(paddrp->spp_hbinterval); 5552 } 5553 5554 if (paddrp->spp_flags & SPP_HB_ENABLE) { 5555 if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) { 5556 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = 0; 5557 } else if (paddrp->spp_hbinterval) { 5558 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = sctp_msecs_to_ticks(paddrp->spp_hbinterval); 5559 } 5560 sctp_feature_off(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5561 } else if (paddrp->spp_flags & SPP_HB_DISABLE) { 5562 sctp_feature_on(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT); 5563 } 5564 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) { 5565 inp->sctp_ep.default_mtu = 0; 5566 sctp_feature_off(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5567 } else if (paddrp->spp_flags & SPP_PMTUD_DISABLE) { 5568 if (paddrp->spp_pathmtu > 0) { 5569 inp->sctp_ep.default_mtu = paddrp->spp_pathmtu; 5570 } 5571 sctp_feature_on(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD); 5572 } 5573 if (paddrp->spp_flags & SPP_DSCP) { 5574 inp->sctp_ep.default_dscp = paddrp->spp_dscp & 0xfc; 5575 inp->sctp_ep.default_dscp |= 0x01; 5576 } 5577 #ifdef INET6 5578 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) { 5579 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 5580 inp->sctp_ep.default_flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff; 5581 inp->sctp_ep.default_flowlabel |= 0x80000000; 5582 } 5583 } 5584 #endif 5585 SCTP_INP_WUNLOCK(inp); 5586 } else { 5587 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5588 error = EINVAL; 5589 } 5590 } 5591 break; 5592 } 5593 case SCTP_RTOINFO: 5594 { 5595 struct sctp_rtoinfo *srto; 5596 uint32_t new_init, new_min, new_max; 5597 5598 SCTP_CHECK_AND_CAST(srto, optval, struct sctp_rtoinfo, optsize); 5599 SCTP_FIND_STCB(inp, stcb, srto->srto_assoc_id); 5600 5601 if (stcb) { 5602 if (srto->srto_initial) 5603 new_init = srto->srto_initial; 5604 else 5605 new_init = stcb->asoc.initial_rto; 5606 if (srto->srto_max) 5607 new_max = srto->srto_max; 5608 else 5609 new_max = stcb->asoc.maxrto; 5610 if (srto->srto_min) 5611 new_min = srto->srto_min; 5612 else 5613 new_min = stcb->asoc.minrto; 5614 if ((new_min <= new_init) && (new_init <= new_max)) { 5615 stcb->asoc.initial_rto = new_init; 5616 stcb->asoc.maxrto = new_max; 5617 stcb->asoc.minrto = new_min; 5618 } else { 5619 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5620 error = EINVAL; 5621 } 5622 SCTP_TCB_UNLOCK(stcb); 5623 } else { 5624 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5625 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5626 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 5627 (srto->srto_assoc_id == SCTP_FUTURE_ASSOC))) { 5628 SCTP_INP_WLOCK(inp); 5629 if (srto->srto_initial) 5630 new_init = srto->srto_initial; 5631 else 5632 new_init = inp->sctp_ep.initial_rto; 5633 if (srto->srto_max) 5634 new_max = srto->srto_max; 5635 else 5636 new_max = inp->sctp_ep.sctp_maxrto; 5637 if (srto->srto_min) 5638 new_min = srto->srto_min; 5639 else 5640 new_min = inp->sctp_ep.sctp_minrto; 5641 if ((new_min <= new_init) && (new_init <= new_max)) { 5642 inp->sctp_ep.initial_rto = new_init; 5643 inp->sctp_ep.sctp_maxrto = new_max; 5644 inp->sctp_ep.sctp_minrto = new_min; 5645 } else { 5646 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5647 error = EINVAL; 5648 } 5649 SCTP_INP_WUNLOCK(inp); 5650 } else { 5651 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5652 error = EINVAL; 5653 } 5654 } 5655 break; 5656 } 5657 case SCTP_ASSOCINFO: 5658 { 5659 struct sctp_assocparams *sasoc; 5660 5661 SCTP_CHECK_AND_CAST(sasoc, optval, struct sctp_assocparams, optsize); 5662 SCTP_FIND_STCB(inp, stcb, sasoc->sasoc_assoc_id); 5663 if (sasoc->sasoc_cookie_life > 0) { 5664 /* boundary check the cookie life */ 5665 if (sasoc->sasoc_cookie_life < SCTP_MIN_COOKIE_LIFE) { 5666 sasoc->sasoc_cookie_life = SCTP_MIN_COOKIE_LIFE; 5667 } 5668 if (sasoc->sasoc_cookie_life > SCTP_MAX_COOKIE_LIFE) { 5669 sasoc->sasoc_cookie_life = SCTP_MAX_COOKIE_LIFE; 5670 } 5671 } 5672 if (stcb) { 5673 if (sasoc->sasoc_asocmaxrxt > 0) { 5674 stcb->asoc.max_send_times = sasoc->sasoc_asocmaxrxt; 5675 } 5676 if (sasoc->sasoc_cookie_life > 0) { 5677 stcb->asoc.cookie_life = sctp_msecs_to_ticks(sasoc->sasoc_cookie_life); 5678 } 5679 SCTP_TCB_UNLOCK(stcb); 5680 } else { 5681 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 5682 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 5683 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 5684 (sasoc->sasoc_assoc_id == SCTP_FUTURE_ASSOC))) { 5685 SCTP_INP_WLOCK(inp); 5686 if (sasoc->sasoc_asocmaxrxt > 0) { 5687 inp->sctp_ep.max_send_times = sasoc->sasoc_asocmaxrxt; 5688 } 5689 if (sasoc->sasoc_cookie_life > 0) { 5690 inp->sctp_ep.def_cookie_life = sctp_msecs_to_ticks(sasoc->sasoc_cookie_life); 5691 } 5692 SCTP_INP_WUNLOCK(inp); 5693 } else { 5694 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5695 error = EINVAL; 5696 } 5697 } 5698 break; 5699 } 5700 case SCTP_INITMSG: 5701 { 5702 struct sctp_initmsg *sinit; 5703 5704 SCTP_CHECK_AND_CAST(sinit, optval, struct sctp_initmsg, optsize); 5705 SCTP_INP_WLOCK(inp); 5706 if (sinit->sinit_num_ostreams) 5707 inp->sctp_ep.pre_open_stream_count = sinit->sinit_num_ostreams; 5708 5709 if (sinit->sinit_max_instreams) 5710 inp->sctp_ep.max_open_streams_intome = sinit->sinit_max_instreams; 5711 5712 if (sinit->sinit_max_attempts) 5713 inp->sctp_ep.max_init_times = sinit->sinit_max_attempts; 5714 5715 if (sinit->sinit_max_init_timeo) 5716 inp->sctp_ep.initial_init_rto_max = sinit->sinit_max_init_timeo; 5717 SCTP_INP_WUNLOCK(inp); 5718 break; 5719 } 5720 case SCTP_PRIMARY_ADDR: 5721 { 5722 struct sctp_setprim *spa; 5723 struct sctp_nets *net; 5724 struct sockaddr *addr; 5725 #if defined(INET) && defined(INET6) 5726 struct sockaddr_in sin_store; 5727 #endif 5728 5729 SCTP_CHECK_AND_CAST(spa, optval, struct sctp_setprim, optsize); 5730 SCTP_FIND_STCB(inp, stcb, spa->ssp_assoc_id); 5731 5732 #if defined(INET) && defined(INET6) 5733 if (spa->ssp_addr.ss_family == AF_INET6) { 5734 struct sockaddr_in6 *sin6; 5735 5736 sin6 = (struct sockaddr_in6 *)&spa->ssp_addr; 5737 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 5738 in6_sin6_2_sin(&sin_store, sin6); 5739 addr = (struct sockaddr *)&sin_store; 5740 } else { 5741 addr = (struct sockaddr *)&spa->ssp_addr; 5742 } 5743 } else { 5744 addr = (struct sockaddr *)&spa->ssp_addr; 5745 } 5746 #else 5747 addr = (struct sockaddr *)&spa->ssp_addr; 5748 #endif 5749 if (stcb != NULL) { 5750 net = sctp_findnet(stcb, addr); 5751 } else { 5752 /* 5753 * We increment here since 5754 * sctp_findassociation_ep_addr() wil do a 5755 * decrement if it finds the stcb as long as 5756 * the locked tcb (last argument) is NOT a 5757 * TCB.. aka NULL. 5758 */ 5759 net = NULL; 5760 SCTP_INP_INCR_REF(inp); 5761 stcb = sctp_findassociation_ep_addr(&inp, addr, 5762 &net, NULL, NULL); 5763 if (stcb == NULL) { 5764 SCTP_INP_DECR_REF(inp); 5765 } 5766 } 5767 5768 if ((stcb != NULL) && (net != NULL)) { 5769 if (net != stcb->asoc.primary_destination) { 5770 if ((net->dest_state & SCTP_ADDR_UNCONFIRMED) == 0) { 5771 /* Ok we need to set it */ 5772 if (sctp_set_primary_addr(stcb, (struct sockaddr *)NULL, net) == 0) { 5773 if ((stcb->asoc.alternate) && 5774 ((net->dest_state & SCTP_ADDR_PF) == 0) && 5775 (net->dest_state & SCTP_ADDR_REACHABLE)) { 5776 sctp_free_remote_addr(stcb->asoc.alternate); 5777 stcb->asoc.alternate = NULL; 5778 } 5779 } else { 5780 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5781 error = EINVAL; 5782 } 5783 } else { 5784 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5785 error = EINVAL; 5786 } 5787 } 5788 } else { 5789 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5790 error = EINVAL; 5791 } 5792 if (stcb != NULL) { 5793 SCTP_TCB_UNLOCK(stcb); 5794 } 5795 break; 5796 } 5797 case SCTP_SET_DYNAMIC_PRIMARY: 5798 { 5799 union sctp_sockstore *ss; 5800 5801 error = priv_check(curthread, 5802 PRIV_NETINET_RESERVEDPORT); 5803 if (error) 5804 break; 5805 5806 SCTP_CHECK_AND_CAST(ss, optval, union sctp_sockstore, optsize); 5807 /* SUPER USER CHECK? */ 5808 error = sctp_dynamic_set_primary(&ss->sa, vrf_id); 5809 break; 5810 } 5811 case SCTP_SET_PEER_PRIMARY_ADDR: 5812 { 5813 struct sctp_setpeerprim *sspp; 5814 struct sockaddr *addr; 5815 #if defined(INET) && defined(INET6) 5816 struct sockaddr_in sin_store; 5817 #endif 5818 5819 SCTP_CHECK_AND_CAST(sspp, optval, struct sctp_setpeerprim, optsize); 5820 SCTP_FIND_STCB(inp, stcb, sspp->sspp_assoc_id); 5821 if (stcb != NULL) { 5822 struct sctp_ifa *ifa; 5823 5824 #if defined(INET) && defined(INET6) 5825 if (sspp->sspp_addr.ss_family == AF_INET6) { 5826 struct sockaddr_in6 *sin6; 5827 5828 sin6 = (struct sockaddr_in6 *)&sspp->sspp_addr; 5829 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 5830 in6_sin6_2_sin(&sin_store, sin6); 5831 addr = (struct sockaddr *)&sin_store; 5832 } else { 5833 addr = (struct sockaddr *)&sspp->sspp_addr; 5834 } 5835 } else { 5836 addr = (struct sockaddr *)&sspp->sspp_addr; 5837 } 5838 #else 5839 addr = (struct sockaddr *)&sspp->sspp_addr; 5840 #endif 5841 ifa = sctp_find_ifa_by_addr(addr, stcb->asoc.vrf_id, SCTP_ADDR_NOT_LOCKED); 5842 if (ifa == NULL) { 5843 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5844 error = EINVAL; 5845 goto out_of_it; 5846 } 5847 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) { 5848 /* 5849 * Must validate the ifa found is in 5850 * our ep 5851 */ 5852 struct sctp_laddr *laddr; 5853 int found = 0; 5854 5855 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 5856 if (laddr->ifa == NULL) { 5857 SCTPDBG(SCTP_DEBUG_OUTPUT1, "%s: NULL ifa\n", 5858 __func__); 5859 continue; 5860 } 5861 if ((sctp_is_addr_restricted(stcb, laddr->ifa)) && 5862 (!sctp_is_addr_pending(stcb, laddr->ifa))) { 5863 continue; 5864 } 5865 if (laddr->ifa == ifa) { 5866 found = 1; 5867 break; 5868 } 5869 } 5870 if (!found) { 5871 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5872 error = EINVAL; 5873 goto out_of_it; 5874 } 5875 } else { 5876 switch (addr->sa_family) { 5877 #ifdef INET 5878 case AF_INET: 5879 { 5880 struct sockaddr_in *sin; 5881 5882 sin = (struct sockaddr_in *)addr; 5883 if (prison_check_ip4(inp->ip_inp.inp.inp_cred, 5884 &sin->sin_addr) != 0) { 5885 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5886 error = EINVAL; 5887 goto out_of_it; 5888 } 5889 break; 5890 } 5891 #endif 5892 #ifdef INET6 5893 case AF_INET6: 5894 { 5895 struct sockaddr_in6 *sin6; 5896 5897 sin6 = (struct sockaddr_in6 *)addr; 5898 if (prison_check_ip6(inp->ip_inp.inp.inp_cred, 5899 &sin6->sin6_addr) != 0) { 5900 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5901 error = EINVAL; 5902 goto out_of_it; 5903 } 5904 break; 5905 } 5906 #endif 5907 default: 5908 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5909 error = EINVAL; 5910 goto out_of_it; 5911 } 5912 } 5913 if (sctp_set_primary_ip_address_sa(stcb, addr) != 0) { 5914 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5915 error = EINVAL; 5916 } 5917 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_SOCKOPT, SCTP_SO_LOCKED); 5918 out_of_it: 5919 SCTP_TCB_UNLOCK(stcb); 5920 } else { 5921 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5922 error = EINVAL; 5923 } 5924 break; 5925 } 5926 case SCTP_BINDX_ADD_ADDR: 5927 { 5928 struct sockaddr *sa; 5929 struct thread *td; 5930 5931 td = (struct thread *)p; 5932 SCTP_CHECK_AND_CAST(sa, optval, struct sockaddr, optsize); 5933 #ifdef INET 5934 if (sa->sa_family == AF_INET) { 5935 if (optsize < sizeof(struct sockaddr_in)) { 5936 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5937 error = EINVAL; 5938 break; 5939 } 5940 if (td != NULL && 5941 (error = prison_local_ip4(td->td_ucred, &(((struct sockaddr_in *)sa)->sin_addr)))) { 5942 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5943 break; 5944 } 5945 } else 5946 #endif 5947 #ifdef INET6 5948 if (sa->sa_family == AF_INET6) { 5949 if (optsize < sizeof(struct sockaddr_in6)) { 5950 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5951 error = EINVAL; 5952 break; 5953 } 5954 if (td != NULL && 5955 (error = prison_local_ip6(td->td_ucred, 5956 &(((struct sockaddr_in6 *)sa)->sin6_addr), 5957 (SCTP_IPV6_V6ONLY(inp) != 0))) != 0) { 5958 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5959 break; 5960 } 5961 } else 5962 #endif 5963 { 5964 error = EAFNOSUPPORT; 5965 break; 5966 } 5967 sctp_bindx_add_address(so, inp, sa, vrf_id, &error, p); 5968 break; 5969 } 5970 case SCTP_BINDX_REM_ADDR: 5971 { 5972 struct sockaddr *sa; 5973 struct thread *td; 5974 5975 td = (struct thread *)p; 5976 5977 SCTP_CHECK_AND_CAST(sa, optval, struct sockaddr, optsize); 5978 #ifdef INET 5979 if (sa->sa_family == AF_INET) { 5980 if (optsize < sizeof(struct sockaddr_in)) { 5981 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5982 error = EINVAL; 5983 break; 5984 } 5985 if (td != NULL && 5986 (error = prison_local_ip4(td->td_ucred, &(((struct sockaddr_in *)sa)->sin_addr)))) { 5987 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 5988 break; 5989 } 5990 } else 5991 #endif 5992 #ifdef INET6 5993 if (sa->sa_family == AF_INET6) { 5994 if (optsize < sizeof(struct sockaddr_in6)) { 5995 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 5996 error = EINVAL; 5997 break; 5998 } 5999 if (td != NULL && 6000 (error = prison_local_ip6(td->td_ucred, 6001 &(((struct sockaddr_in6 *)sa)->sin6_addr), 6002 (SCTP_IPV6_V6ONLY(inp) != 0))) != 0) { 6003 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error); 6004 break; 6005 } 6006 } else 6007 #endif 6008 { 6009 error = EAFNOSUPPORT; 6010 break; 6011 } 6012 sctp_bindx_delete_address(inp, sa, vrf_id, &error); 6013 break; 6014 } 6015 case SCTP_EVENT: 6016 { 6017 struct sctp_event *event; 6018 uint32_t event_type; 6019 6020 SCTP_CHECK_AND_CAST(event, optval, struct sctp_event, optsize); 6021 SCTP_FIND_STCB(inp, stcb, event->se_assoc_id); 6022 switch (event->se_type) { 6023 case SCTP_ASSOC_CHANGE: 6024 event_type = SCTP_PCB_FLAGS_RECVASSOCEVNT; 6025 break; 6026 case SCTP_PEER_ADDR_CHANGE: 6027 event_type = SCTP_PCB_FLAGS_RECVPADDREVNT; 6028 break; 6029 case SCTP_REMOTE_ERROR: 6030 event_type = SCTP_PCB_FLAGS_RECVPEERERR; 6031 break; 6032 case SCTP_SEND_FAILED: 6033 event_type = SCTP_PCB_FLAGS_RECVSENDFAILEVNT; 6034 break; 6035 case SCTP_SHUTDOWN_EVENT: 6036 event_type = SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT; 6037 break; 6038 case SCTP_ADAPTATION_INDICATION: 6039 event_type = SCTP_PCB_FLAGS_ADAPTATIONEVNT; 6040 break; 6041 case SCTP_PARTIAL_DELIVERY_EVENT: 6042 event_type = SCTP_PCB_FLAGS_PDAPIEVNT; 6043 break; 6044 case SCTP_AUTHENTICATION_EVENT: 6045 event_type = SCTP_PCB_FLAGS_AUTHEVNT; 6046 break; 6047 case SCTP_STREAM_RESET_EVENT: 6048 event_type = SCTP_PCB_FLAGS_STREAM_RESETEVNT; 6049 break; 6050 case SCTP_SENDER_DRY_EVENT: 6051 event_type = SCTP_PCB_FLAGS_DRYEVNT; 6052 break; 6053 case SCTP_NOTIFICATIONS_STOPPED_EVENT: 6054 event_type = 0; 6055 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 6056 error = ENOTSUP; 6057 break; 6058 case SCTP_ASSOC_RESET_EVENT: 6059 event_type = SCTP_PCB_FLAGS_ASSOC_RESETEVNT; 6060 break; 6061 case SCTP_STREAM_CHANGE_EVENT: 6062 event_type = SCTP_PCB_FLAGS_STREAM_CHANGEEVNT; 6063 break; 6064 case SCTP_SEND_FAILED_EVENT: 6065 event_type = SCTP_PCB_FLAGS_RECVNSENDFAILEVNT; 6066 break; 6067 default: 6068 event_type = 0; 6069 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6070 error = EINVAL; 6071 break; 6072 } 6073 if (event_type > 0) { 6074 if (stcb) { 6075 if (event->se_on) { 6076 sctp_stcb_feature_on(inp, stcb, event_type); 6077 if (event_type == SCTP_PCB_FLAGS_DRYEVNT) { 6078 if (TAILQ_EMPTY(&stcb->asoc.send_queue) && 6079 TAILQ_EMPTY(&stcb->asoc.sent_queue) && 6080 (stcb->asoc.stream_queue_cnt == 0)) { 6081 sctp_ulp_notify(SCTP_NOTIFY_SENDER_DRY, stcb, 0, NULL, SCTP_SO_LOCKED); 6082 } 6083 } 6084 } else { 6085 sctp_stcb_feature_off(inp, stcb, event_type); 6086 } 6087 SCTP_TCB_UNLOCK(stcb); 6088 } else { 6089 /* 6090 * We don't want to send up a storm 6091 * of events, so return an error for 6092 * sender dry events 6093 */ 6094 if ((event_type == SCTP_PCB_FLAGS_DRYEVNT) && 6095 (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6096 ((event->se_assoc_id == SCTP_ALL_ASSOC) || 6097 (event->se_assoc_id == SCTP_CURRENT_ASSOC))) { 6098 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP); 6099 error = ENOTSUP; 6100 break; 6101 } 6102 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6103 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6104 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6105 ((event->se_assoc_id == SCTP_FUTURE_ASSOC) || 6106 (event->se_assoc_id == SCTP_ALL_ASSOC)))) { 6107 SCTP_INP_WLOCK(inp); 6108 if (event->se_on) { 6109 sctp_feature_on(inp, event_type); 6110 } else { 6111 sctp_feature_off(inp, event_type); 6112 } 6113 SCTP_INP_WUNLOCK(inp); 6114 } 6115 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6116 ((event->se_assoc_id == SCTP_CURRENT_ASSOC) || 6117 (event->se_assoc_id == SCTP_ALL_ASSOC))) { 6118 SCTP_INP_RLOCK(inp); 6119 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 6120 SCTP_TCB_LOCK(stcb); 6121 if (event->se_on) { 6122 sctp_stcb_feature_on(inp, stcb, event_type); 6123 } else { 6124 sctp_stcb_feature_off(inp, stcb, event_type); 6125 } 6126 SCTP_TCB_UNLOCK(stcb); 6127 } 6128 SCTP_INP_RUNLOCK(inp); 6129 } 6130 } 6131 } else { 6132 if (stcb) { 6133 SCTP_TCB_UNLOCK(stcb); 6134 } 6135 } 6136 break; 6137 } 6138 case SCTP_RECVRCVINFO: 6139 { 6140 int *onoff; 6141 6142 SCTP_CHECK_AND_CAST(onoff, optval, int, optsize); 6143 SCTP_INP_WLOCK(inp); 6144 if (*onoff != 0) { 6145 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 6146 } else { 6147 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVRCVINFO); 6148 } 6149 SCTP_INP_WUNLOCK(inp); 6150 break; 6151 } 6152 case SCTP_RECVNXTINFO: 6153 { 6154 int *onoff; 6155 6156 SCTP_CHECK_AND_CAST(onoff, optval, int, optsize); 6157 SCTP_INP_WLOCK(inp); 6158 if (*onoff != 0) { 6159 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 6160 } else { 6161 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVNXTINFO); 6162 } 6163 SCTP_INP_WUNLOCK(inp); 6164 break; 6165 } 6166 case SCTP_DEFAULT_SNDINFO: 6167 { 6168 struct sctp_sndinfo *info; 6169 uint16_t policy; 6170 6171 SCTP_CHECK_AND_CAST(info, optval, struct sctp_sndinfo, optsize); 6172 SCTP_FIND_STCB(inp, stcb, info->snd_assoc_id); 6173 6174 if (stcb) { 6175 if (info->snd_sid < stcb->asoc.streamoutcnt) { 6176 stcb->asoc.def_send.sinfo_stream = info->snd_sid; 6177 policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 6178 stcb->asoc.def_send.sinfo_flags = info->snd_flags; 6179 stcb->asoc.def_send.sinfo_flags |= policy; 6180 stcb->asoc.def_send.sinfo_ppid = info->snd_ppid; 6181 stcb->asoc.def_send.sinfo_context = info->snd_context; 6182 } else { 6183 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6184 error = EINVAL; 6185 } 6186 SCTP_TCB_UNLOCK(stcb); 6187 } else { 6188 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6189 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6190 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6191 ((info->snd_assoc_id == SCTP_FUTURE_ASSOC) || 6192 (info->snd_assoc_id == SCTP_ALL_ASSOC)))) { 6193 SCTP_INP_WLOCK(inp); 6194 inp->def_send.sinfo_stream = info->snd_sid; 6195 policy = PR_SCTP_POLICY(inp->def_send.sinfo_flags); 6196 inp->def_send.sinfo_flags = info->snd_flags; 6197 inp->def_send.sinfo_flags |= policy; 6198 inp->def_send.sinfo_ppid = info->snd_ppid; 6199 inp->def_send.sinfo_context = info->snd_context; 6200 SCTP_INP_WUNLOCK(inp); 6201 } 6202 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6203 ((info->snd_assoc_id == SCTP_CURRENT_ASSOC) || 6204 (info->snd_assoc_id == SCTP_ALL_ASSOC))) { 6205 SCTP_INP_RLOCK(inp); 6206 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 6207 SCTP_TCB_LOCK(stcb); 6208 if (info->snd_sid < stcb->asoc.streamoutcnt) { 6209 stcb->asoc.def_send.sinfo_stream = info->snd_sid; 6210 policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags); 6211 stcb->asoc.def_send.sinfo_flags = info->snd_flags; 6212 stcb->asoc.def_send.sinfo_flags |= policy; 6213 stcb->asoc.def_send.sinfo_ppid = info->snd_ppid; 6214 stcb->asoc.def_send.sinfo_context = info->snd_context; 6215 } 6216 SCTP_TCB_UNLOCK(stcb); 6217 } 6218 SCTP_INP_RUNLOCK(inp); 6219 } 6220 } 6221 break; 6222 } 6223 case SCTP_DEFAULT_PRINFO: 6224 { 6225 struct sctp_default_prinfo *info; 6226 6227 SCTP_CHECK_AND_CAST(info, optval, struct sctp_default_prinfo, optsize); 6228 SCTP_FIND_STCB(inp, stcb, info->pr_assoc_id); 6229 6230 if (info->pr_policy > SCTP_PR_SCTP_MAX) { 6231 if (stcb) { 6232 SCTP_TCB_UNLOCK(stcb); 6233 } 6234 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6235 error = EINVAL; 6236 break; 6237 } 6238 if (stcb) { 6239 stcb->asoc.def_send.sinfo_flags &= 0xfff0; 6240 stcb->asoc.def_send.sinfo_flags |= info->pr_policy; 6241 stcb->asoc.def_send.sinfo_timetolive = info->pr_value; 6242 SCTP_TCB_UNLOCK(stcb); 6243 } else { 6244 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6245 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6246 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6247 ((info->pr_assoc_id == SCTP_FUTURE_ASSOC) || 6248 (info->pr_assoc_id == SCTP_ALL_ASSOC)))) { 6249 SCTP_INP_WLOCK(inp); 6250 inp->def_send.sinfo_flags &= 0xfff0; 6251 inp->def_send.sinfo_flags |= info->pr_policy; 6252 inp->def_send.sinfo_timetolive = info->pr_value; 6253 SCTP_INP_WUNLOCK(inp); 6254 } 6255 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6256 ((info->pr_assoc_id == SCTP_CURRENT_ASSOC) || 6257 (info->pr_assoc_id == SCTP_ALL_ASSOC))) { 6258 SCTP_INP_RLOCK(inp); 6259 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) { 6260 SCTP_TCB_LOCK(stcb); 6261 stcb->asoc.def_send.sinfo_flags &= 0xfff0; 6262 stcb->asoc.def_send.sinfo_flags |= info->pr_policy; 6263 stcb->asoc.def_send.sinfo_timetolive = info->pr_value; 6264 SCTP_TCB_UNLOCK(stcb); 6265 } 6266 SCTP_INP_RUNLOCK(inp); 6267 } 6268 } 6269 break; 6270 } 6271 case SCTP_PEER_ADDR_THLDS: 6272 /* Applies to the specific association */ 6273 { 6274 struct sctp_paddrthlds *thlds; 6275 struct sctp_nets *net; 6276 struct sockaddr *addr; 6277 #if defined(INET) && defined(INET6) 6278 struct sockaddr_in sin_store; 6279 #endif 6280 6281 SCTP_CHECK_AND_CAST(thlds, optval, struct sctp_paddrthlds, optsize); 6282 SCTP_FIND_STCB(inp, stcb, thlds->spt_assoc_id); 6283 6284 #if defined(INET) && defined(INET6) 6285 if (thlds->spt_address.ss_family == AF_INET6) { 6286 struct sockaddr_in6 *sin6; 6287 6288 sin6 = (struct sockaddr_in6 *)&thlds->spt_address; 6289 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 6290 in6_sin6_2_sin(&sin_store, sin6); 6291 addr = (struct sockaddr *)&sin_store; 6292 } else { 6293 addr = (struct sockaddr *)&thlds->spt_address; 6294 } 6295 } else { 6296 addr = (struct sockaddr *)&thlds->spt_address; 6297 } 6298 #else 6299 addr = (struct sockaddr *)&thlds->spt_address; 6300 #endif 6301 if (stcb != NULL) { 6302 net = sctp_findnet(stcb, addr); 6303 } else { 6304 /* 6305 * We increment here since 6306 * sctp_findassociation_ep_addr() wil do a 6307 * decrement if it finds the stcb as long as 6308 * the locked tcb (last argument) is NOT a 6309 * TCB.. aka NULL. 6310 */ 6311 net = NULL; 6312 SCTP_INP_INCR_REF(inp); 6313 stcb = sctp_findassociation_ep_addr(&inp, addr, 6314 &net, NULL, NULL); 6315 if (stcb == NULL) { 6316 SCTP_INP_DECR_REF(inp); 6317 } 6318 } 6319 if ((stcb != NULL) && (net == NULL)) { 6320 #ifdef INET 6321 if (addr->sa_family == AF_INET) { 6322 struct sockaddr_in *sin; 6323 6324 sin = (struct sockaddr_in *)addr; 6325 if (sin->sin_addr.s_addr != INADDR_ANY) { 6326 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6327 SCTP_TCB_UNLOCK(stcb); 6328 error = EINVAL; 6329 break; 6330 } 6331 } else 6332 #endif 6333 #ifdef INET6 6334 if (addr->sa_family == AF_INET6) { 6335 struct sockaddr_in6 *sin6; 6336 6337 sin6 = (struct sockaddr_in6 *)addr; 6338 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 6339 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6340 SCTP_TCB_UNLOCK(stcb); 6341 error = EINVAL; 6342 break; 6343 } 6344 } else 6345 #endif 6346 { 6347 error = EAFNOSUPPORT; 6348 SCTP_TCB_UNLOCK(stcb); 6349 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6350 break; 6351 } 6352 } 6353 if (thlds->spt_pathcpthld != 0xffff) { 6354 if (stcb != NULL) { 6355 SCTP_TCB_UNLOCK(stcb); 6356 } 6357 error = EINVAL; 6358 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6359 break; 6360 } 6361 if (stcb != NULL) { 6362 if (net != NULL) { 6363 net->failure_threshold = thlds->spt_pathmaxrxt; 6364 net->pf_threshold = thlds->spt_pathpfthld; 6365 if (net->dest_state & SCTP_ADDR_PF) { 6366 if ((net->error_count > net->failure_threshold) || 6367 (net->error_count <= net->pf_threshold)) { 6368 net->dest_state &= ~SCTP_ADDR_PF; 6369 } 6370 } else { 6371 if ((net->error_count > net->pf_threshold) && 6372 (net->error_count <= net->failure_threshold)) { 6373 net->dest_state |= SCTP_ADDR_PF; 6374 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 6375 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 6376 stcb->sctp_ep, stcb, net, 6377 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_17); 6378 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 6379 } 6380 } 6381 if (net->dest_state & SCTP_ADDR_REACHABLE) { 6382 if (net->error_count > net->failure_threshold) { 6383 net->dest_state &= ~SCTP_ADDR_REACHABLE; 6384 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 6385 } 6386 } else { 6387 if (net->error_count <= net->failure_threshold) { 6388 net->dest_state |= SCTP_ADDR_REACHABLE; 6389 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 6390 } 6391 } 6392 } else { 6393 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 6394 net->failure_threshold = thlds->spt_pathmaxrxt; 6395 net->pf_threshold = thlds->spt_pathpfthld; 6396 if (net->dest_state & SCTP_ADDR_PF) { 6397 if ((net->error_count > net->failure_threshold) || 6398 (net->error_count <= net->pf_threshold)) { 6399 net->dest_state &= ~SCTP_ADDR_PF; 6400 } 6401 } else { 6402 if ((net->error_count > net->pf_threshold) && 6403 (net->error_count <= net->failure_threshold)) { 6404 net->dest_state |= SCTP_ADDR_PF; 6405 sctp_send_hb(stcb, net, SCTP_SO_LOCKED); 6406 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, 6407 stcb->sctp_ep, stcb, net, 6408 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_18); 6409 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net); 6410 } 6411 } 6412 if (net->dest_state & SCTP_ADDR_REACHABLE) { 6413 if (net->error_count > net->failure_threshold) { 6414 net->dest_state &= ~SCTP_ADDR_REACHABLE; 6415 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED); 6416 } 6417 } else { 6418 if (net->error_count <= net->failure_threshold) { 6419 net->dest_state |= SCTP_ADDR_REACHABLE; 6420 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED); 6421 } 6422 } 6423 } 6424 stcb->asoc.def_net_failure = thlds->spt_pathmaxrxt; 6425 stcb->asoc.def_net_pf_threshold = thlds->spt_pathpfthld; 6426 } 6427 SCTP_TCB_UNLOCK(stcb); 6428 } else { 6429 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6430 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6431 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6432 (thlds->spt_assoc_id == SCTP_FUTURE_ASSOC))) { 6433 SCTP_INP_WLOCK(inp); 6434 inp->sctp_ep.def_net_failure = thlds->spt_pathmaxrxt; 6435 inp->sctp_ep.def_net_pf_threshold = thlds->spt_pathpfthld; 6436 SCTP_INP_WUNLOCK(inp); 6437 } else { 6438 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6439 error = EINVAL; 6440 } 6441 } 6442 break; 6443 } 6444 case SCTP_REMOTE_UDP_ENCAPS_PORT: 6445 { 6446 struct sctp_udpencaps *encaps; 6447 struct sctp_nets *net; 6448 struct sockaddr *addr; 6449 #if defined(INET) && defined(INET6) 6450 struct sockaddr_in sin_store; 6451 #endif 6452 6453 SCTP_CHECK_AND_CAST(encaps, optval, struct sctp_udpencaps, optsize); 6454 SCTP_FIND_STCB(inp, stcb, encaps->sue_assoc_id); 6455 6456 #if defined(INET) && defined(INET6) 6457 if (encaps->sue_address.ss_family == AF_INET6) { 6458 struct sockaddr_in6 *sin6; 6459 6460 sin6 = (struct sockaddr_in6 *)&encaps->sue_address; 6461 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { 6462 in6_sin6_2_sin(&sin_store, sin6); 6463 addr = (struct sockaddr *)&sin_store; 6464 } else { 6465 addr = (struct sockaddr *)&encaps->sue_address; 6466 } 6467 } else { 6468 addr = (struct sockaddr *)&encaps->sue_address; 6469 } 6470 #else 6471 addr = (struct sockaddr *)&encaps->sue_address; 6472 #endif 6473 if (stcb != NULL) { 6474 net = sctp_findnet(stcb, addr); 6475 } else { 6476 /* 6477 * We increment here since 6478 * sctp_findassociation_ep_addr() wil do a 6479 * decrement if it finds the stcb as long as 6480 * the locked tcb (last argument) is NOT a 6481 * TCB.. aka NULL. 6482 */ 6483 net = NULL; 6484 SCTP_INP_INCR_REF(inp); 6485 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL); 6486 if (stcb == NULL) { 6487 SCTP_INP_DECR_REF(inp); 6488 } 6489 } 6490 if ((stcb != NULL) && (net == NULL)) { 6491 #ifdef INET 6492 if (addr->sa_family == AF_INET) { 6493 struct sockaddr_in *sin; 6494 6495 sin = (struct sockaddr_in *)addr; 6496 if (sin->sin_addr.s_addr != INADDR_ANY) { 6497 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6498 SCTP_TCB_UNLOCK(stcb); 6499 error = EINVAL; 6500 break; 6501 } 6502 } else 6503 #endif 6504 #ifdef INET6 6505 if (addr->sa_family == AF_INET6) { 6506 struct sockaddr_in6 *sin6; 6507 6508 sin6 = (struct sockaddr_in6 *)addr; 6509 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 6510 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6511 SCTP_TCB_UNLOCK(stcb); 6512 error = EINVAL; 6513 break; 6514 } 6515 } else 6516 #endif 6517 { 6518 error = EAFNOSUPPORT; 6519 SCTP_TCB_UNLOCK(stcb); 6520 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6521 break; 6522 } 6523 } 6524 6525 if (stcb != NULL) { 6526 if (net != NULL) { 6527 net->port = encaps->sue_port; 6528 } else { 6529 stcb->asoc.port = encaps->sue_port; 6530 } 6531 SCTP_TCB_UNLOCK(stcb); 6532 } else { 6533 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6534 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6535 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6536 (encaps->sue_assoc_id == SCTP_FUTURE_ASSOC))) { 6537 SCTP_INP_WLOCK(inp); 6538 inp->sctp_ep.port = encaps->sue_port; 6539 SCTP_INP_WUNLOCK(inp); 6540 } else { 6541 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6542 error = EINVAL; 6543 } 6544 } 6545 break; 6546 } 6547 case SCTP_ECN_SUPPORTED: 6548 { 6549 struct sctp_assoc_value *av; 6550 6551 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6552 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6553 6554 if (stcb) { 6555 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6556 error = EINVAL; 6557 SCTP_TCB_UNLOCK(stcb); 6558 } else { 6559 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6560 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6561 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6562 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 6563 SCTP_INP_WLOCK(inp); 6564 if (av->assoc_value == 0) { 6565 inp->ecn_supported = 0; 6566 } else { 6567 inp->ecn_supported = 1; 6568 } 6569 SCTP_INP_WUNLOCK(inp); 6570 } else { 6571 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6572 error = EINVAL; 6573 } 6574 } 6575 break; 6576 } 6577 case SCTP_PR_SUPPORTED: 6578 { 6579 struct sctp_assoc_value *av; 6580 6581 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6582 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6583 6584 if (stcb) { 6585 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6586 error = EINVAL; 6587 SCTP_TCB_UNLOCK(stcb); 6588 } else { 6589 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6590 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6591 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6592 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 6593 SCTP_INP_WLOCK(inp); 6594 if (av->assoc_value == 0) { 6595 inp->prsctp_supported = 0; 6596 } else { 6597 inp->prsctp_supported = 1; 6598 } 6599 SCTP_INP_WUNLOCK(inp); 6600 } else { 6601 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6602 error = EINVAL; 6603 } 6604 } 6605 break; 6606 } 6607 case SCTP_AUTH_SUPPORTED: 6608 { 6609 struct sctp_assoc_value *av; 6610 6611 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6612 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6613 6614 if (stcb) { 6615 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6616 error = EINVAL; 6617 SCTP_TCB_UNLOCK(stcb); 6618 } else { 6619 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6620 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6621 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6622 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 6623 if ((av->assoc_value == 0) && 6624 (inp->asconf_supported == 1)) { 6625 /* 6626 * AUTH is required for 6627 * ASCONF 6628 */ 6629 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6630 error = EINVAL; 6631 } else { 6632 SCTP_INP_WLOCK(inp); 6633 if (av->assoc_value == 0) { 6634 inp->auth_supported = 0; 6635 } else { 6636 inp->auth_supported = 1; 6637 } 6638 SCTP_INP_WUNLOCK(inp); 6639 } 6640 } else { 6641 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6642 error = EINVAL; 6643 } 6644 } 6645 break; 6646 } 6647 case SCTP_ASCONF_SUPPORTED: 6648 { 6649 struct sctp_assoc_value *av; 6650 6651 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6652 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6653 6654 if (stcb) { 6655 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6656 error = EINVAL; 6657 SCTP_TCB_UNLOCK(stcb); 6658 } else { 6659 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6660 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6661 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6662 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 6663 if ((av->assoc_value != 0) && 6664 (inp->auth_supported == 0)) { 6665 /* 6666 * AUTH is required for 6667 * ASCONF 6668 */ 6669 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6670 error = EINVAL; 6671 } else { 6672 SCTP_INP_WLOCK(inp); 6673 if (av->assoc_value == 0) { 6674 inp->asconf_supported = 0; 6675 sctp_auth_delete_chunk(SCTP_ASCONF, 6676 inp->sctp_ep.local_auth_chunks); 6677 sctp_auth_delete_chunk(SCTP_ASCONF_ACK, 6678 inp->sctp_ep.local_auth_chunks); 6679 } else { 6680 inp->asconf_supported = 1; 6681 sctp_auth_add_chunk(SCTP_ASCONF, 6682 inp->sctp_ep.local_auth_chunks); 6683 sctp_auth_add_chunk(SCTP_ASCONF_ACK, 6684 inp->sctp_ep.local_auth_chunks); 6685 } 6686 SCTP_INP_WUNLOCK(inp); 6687 } 6688 } else { 6689 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6690 error = EINVAL; 6691 } 6692 } 6693 break; 6694 } 6695 case SCTP_RECONFIG_SUPPORTED: 6696 { 6697 struct sctp_assoc_value *av; 6698 6699 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6700 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6701 6702 if (stcb) { 6703 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6704 error = EINVAL; 6705 SCTP_TCB_UNLOCK(stcb); 6706 } else { 6707 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6708 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6709 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6710 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 6711 SCTP_INP_WLOCK(inp); 6712 if (av->assoc_value == 0) { 6713 inp->reconfig_supported = 0; 6714 } else { 6715 inp->reconfig_supported = 1; 6716 } 6717 SCTP_INP_WUNLOCK(inp); 6718 } else { 6719 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6720 error = EINVAL; 6721 } 6722 } 6723 break; 6724 } 6725 case SCTP_NRSACK_SUPPORTED: 6726 { 6727 struct sctp_assoc_value *av; 6728 6729 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6730 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6731 6732 if (stcb) { 6733 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6734 error = EINVAL; 6735 SCTP_TCB_UNLOCK(stcb); 6736 } else { 6737 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6738 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6739 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6740 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 6741 SCTP_INP_WLOCK(inp); 6742 if (av->assoc_value == 0) { 6743 inp->nrsack_supported = 0; 6744 } else { 6745 inp->nrsack_supported = 1; 6746 } 6747 SCTP_INP_WUNLOCK(inp); 6748 } else { 6749 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6750 error = EINVAL; 6751 } 6752 } 6753 break; 6754 } 6755 case SCTP_PKTDROP_SUPPORTED: 6756 { 6757 struct sctp_assoc_value *av; 6758 6759 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6760 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6761 6762 if (stcb) { 6763 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6764 error = EINVAL; 6765 SCTP_TCB_UNLOCK(stcb); 6766 } else { 6767 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6768 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6769 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6770 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 6771 SCTP_INP_WLOCK(inp); 6772 if (av->assoc_value == 0) { 6773 inp->pktdrop_supported = 0; 6774 } else { 6775 inp->pktdrop_supported = 1; 6776 } 6777 SCTP_INP_WUNLOCK(inp); 6778 } else { 6779 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6780 error = EINVAL; 6781 } 6782 } 6783 break; 6784 } 6785 case SCTP_MAX_CWND: 6786 { 6787 struct sctp_assoc_value *av; 6788 struct sctp_nets *net; 6789 6790 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); 6791 SCTP_FIND_STCB(inp, stcb, av->assoc_id); 6792 6793 if (stcb) { 6794 stcb->asoc.max_cwnd = av->assoc_value; 6795 if (stcb->asoc.max_cwnd > 0) { 6796 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 6797 if ((net->cwnd > stcb->asoc.max_cwnd) && 6798 (net->cwnd > (net->mtu - sizeof(struct sctphdr)))) { 6799 net->cwnd = stcb->asoc.max_cwnd; 6800 if (net->cwnd < (net->mtu - sizeof(struct sctphdr))) { 6801 net->cwnd = net->mtu - sizeof(struct sctphdr); 6802 } 6803 } 6804 } 6805 } 6806 SCTP_TCB_UNLOCK(stcb); 6807 } else { 6808 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || 6809 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || 6810 ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) && 6811 (av->assoc_id == SCTP_FUTURE_ASSOC))) { 6812 SCTP_INP_WLOCK(inp); 6813 inp->max_cwnd = av->assoc_value; 6814 SCTP_INP_WUNLOCK(inp); 6815 } else { 6816 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6817 error = EINVAL; 6818 } 6819 } 6820 break; 6821 } 6822 case SCTP_ACCEPT_ZERO_CHECKSUM: 6823 { 6824 uint32_t *value; 6825 6826 SCTP_CHECK_AND_CAST(value, optval, uint32_t, optsize); 6827 if ((*value == SCTP_EDMID_NONE) || 6828 (*value == SCTP_EDMID_LOWER_LAYER_DTLS)) { 6829 SCTP_INP_WLOCK(inp); 6830 inp->rcv_edmid = *value; 6831 SCTP_INP_WUNLOCK(inp); 6832 } else { 6833 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6834 error = EINVAL; 6835 } 6836 break; 6837 } 6838 6839 default: 6840 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); 6841 error = ENOPROTOOPT; 6842 break; 6843 } /* end switch (opt) */ 6844 return (error); 6845 } 6846 6847 int 6848 sctp_ctloutput(struct socket *so, struct sockopt *sopt) 6849 { 6850 struct epoch_tracker et; 6851 struct sctp_inpcb *inp; 6852 void *optval = NULL; 6853 void *p; 6854 size_t optsize = 0; 6855 int error = 0; 6856 6857 if ((sopt->sopt_level == SOL_SOCKET) && 6858 (sopt->sopt_name == SO_SETFIB)) { 6859 inp = (struct sctp_inpcb *)so->so_pcb; 6860 if (inp == NULL) { 6861 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOBUFS); 6862 return (EINVAL); 6863 } 6864 SCTP_INP_WLOCK(inp); 6865 inp->fibnum = so->so_fibnum; 6866 SCTP_INP_WUNLOCK(inp); 6867 return (0); 6868 } 6869 if (sopt->sopt_level != IPPROTO_SCTP) { 6870 /* wrong proto level... send back up to IP */ 6871 #ifdef INET6 6872 if (INP_CHECK_SOCKAF(so, AF_INET6)) 6873 error = ip6_ctloutput(so, sopt); 6874 #endif /* INET6 */ 6875 #if defined(INET) && defined(INET6) 6876 else 6877 #endif 6878 #ifdef INET 6879 error = ip_ctloutput(so, sopt); 6880 #endif 6881 return (error); 6882 } 6883 optsize = sopt->sopt_valsize; 6884 if (optsize > SCTP_SOCKET_OPTION_LIMIT) { 6885 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOBUFS); 6886 return (ENOBUFS); 6887 } 6888 if (optsize) { 6889 SCTP_MALLOC(optval, void *, optsize, SCTP_M_SOCKOPT); 6890 if (optval == NULL) { 6891 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOBUFS); 6892 return (ENOBUFS); 6893 } 6894 error = sooptcopyin(sopt, optval, optsize, optsize); 6895 if (error) { 6896 SCTP_FREE(optval, SCTP_M_SOCKOPT); 6897 goto out; 6898 } 6899 } 6900 p = (void *)sopt->sopt_td; 6901 if (sopt->sopt_dir == SOPT_SET) { 6902 NET_EPOCH_ENTER(et); 6903 error = sctp_setopt(so, sopt->sopt_name, optval, optsize, p); 6904 NET_EPOCH_EXIT(et); 6905 } else if (sopt->sopt_dir == SOPT_GET) { 6906 error = sctp_getopt(so, sopt->sopt_name, optval, &optsize, p); 6907 } else { 6908 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6909 error = EINVAL; 6910 } 6911 if ((error == 0) && (optval != NULL)) { 6912 error = sooptcopyout(sopt, optval, optsize); 6913 SCTP_FREE(optval, SCTP_M_SOCKOPT); 6914 } else if (optval != NULL) { 6915 SCTP_FREE(optval, SCTP_M_SOCKOPT); 6916 } 6917 out: 6918 return (error); 6919 } 6920 6921 #ifdef INET 6922 static int 6923 sctp_connect(struct socket *so, struct sockaddr *addr, struct thread *p) 6924 { 6925 struct epoch_tracker et; 6926 int error = 0; 6927 int create_lock_on = 0; 6928 uint32_t vrf_id; 6929 struct sctp_inpcb *inp; 6930 struct sctp_tcb *stcb = NULL; 6931 6932 inp = (struct sctp_inpcb *)so->so_pcb; 6933 if (inp == NULL) { 6934 /* I made the same as TCP since we are not setup? */ 6935 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6936 return (ECONNRESET); 6937 } 6938 if (addr == NULL) { 6939 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6940 return EINVAL; 6941 } 6942 6943 switch (addr->sa_family) { 6944 #ifdef INET6 6945 case AF_INET6: 6946 { 6947 struct sockaddr_in6 *sin6; 6948 6949 if (addr->sa_len != sizeof(struct sockaddr_in6)) { 6950 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6951 return (EINVAL); 6952 } 6953 sin6 = (struct sockaddr_in6 *)addr; 6954 if (p != NULL && (error = prison_remote_ip6(p->td_ucred, &sin6->sin6_addr)) != 0) { 6955 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6956 return (error); 6957 } 6958 break; 6959 } 6960 #endif 6961 #ifdef INET 6962 case AF_INET: 6963 { 6964 struct sockaddr_in *sin; 6965 6966 if (addr->sa_len != sizeof(struct sockaddr_in)) { 6967 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6968 return (EINVAL); 6969 } 6970 sin = (struct sockaddr_in *)addr; 6971 if (p != NULL && (error = prison_remote_ip4(p->td_ucred, &sin->sin_addr)) != 0) { 6972 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 6973 return (error); 6974 } 6975 break; 6976 } 6977 #endif 6978 default: 6979 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EAFNOSUPPORT); 6980 return (EAFNOSUPPORT); 6981 } 6982 SCTP_INP_INCR_REF(inp); 6983 SCTP_ASOC_CREATE_LOCK(inp); 6984 create_lock_on = 1; 6985 NET_EPOCH_ENTER(et); 6986 6987 if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) || 6988 (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) { 6989 /* Should I really unlock ? */ 6990 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EFAULT); 6991 error = EFAULT; 6992 goto out_now; 6993 } 6994 #ifdef INET6 6995 if (((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) && 6996 (addr->sa_family == AF_INET6)) { 6997 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 6998 error = EINVAL; 6999 goto out_now; 7000 } 7001 #endif 7002 if (inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) { 7003 /* Bind a ephemeral port */ 7004 error = sctp_inpcb_bind(so, NULL, NULL, p); 7005 if (error) { 7006 goto out_now; 7007 } 7008 } 7009 /* Now do we connect? */ 7010 if ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) && 7011 (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE))) { 7012 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7013 error = EINVAL; 7014 goto out_now; 7015 } 7016 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 7017 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 7018 /* We are already connected AND the TCP model */ 7019 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE); 7020 error = EADDRINUSE; 7021 goto out_now; 7022 } 7023 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 7024 SCTP_INP_RLOCK(inp); 7025 stcb = LIST_FIRST(&inp->sctp_asoc_list); 7026 SCTP_INP_RUNLOCK(inp); 7027 } else { 7028 /* 7029 * We increment here since sctp_findassociation_ep_addr() 7030 * will do a decrement if it finds the stcb as long as the 7031 * locked tcb (last argument) is NOT a TCB.. aka NULL. 7032 */ 7033 SCTP_INP_INCR_REF(inp); 7034 stcb = sctp_findassociation_ep_addr(&inp, addr, NULL, NULL, NULL); 7035 if (stcb == NULL) { 7036 SCTP_INP_DECR_REF(inp); 7037 } else { 7038 SCTP_TCB_UNLOCK(stcb); 7039 } 7040 } 7041 if (stcb != NULL) { 7042 /* Already have or am bring up an association */ 7043 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); 7044 error = EALREADY; 7045 goto out_now; 7046 } 7047 7048 vrf_id = inp->def_vrf_id; 7049 /* We are GOOD to go */ 7050 stcb = sctp_aloc_assoc_connected(inp, addr, &error, 0, 0, vrf_id, 7051 inp->sctp_ep.pre_open_stream_count, 7052 inp->sctp_ep.port, p, 7053 SCTP_INITIALIZE_AUTH_PARAMS); 7054 if (stcb == NULL) { 7055 /* Gak! no memory */ 7056 goto out_now; 7057 } 7058 SCTP_SET_STATE(stcb, SCTP_STATE_COOKIE_WAIT); 7059 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered); 7060 7061 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); 7062 SCTP_TCB_UNLOCK(stcb); 7063 out_now: 7064 NET_EPOCH_EXIT(et); 7065 if (create_lock_on) { 7066 SCTP_ASOC_CREATE_UNLOCK(inp); 7067 } 7068 SCTP_INP_DECR_REF(inp); 7069 return (error); 7070 } 7071 #endif 7072 7073 int 7074 sctp_listen(struct socket *so, int backlog, struct thread *p) 7075 { 7076 /* 7077 * Note this module depends on the protocol processing being called 7078 * AFTER any socket level flags and backlog are applied to the 7079 * socket. The traditional way that the socket flags are applied is 7080 * AFTER protocol processing. We have made a change to the 7081 * sys/kern/uipc_socket.c module to reverse this but this MUST be in 7082 * place if the socket API for SCTP is to work properly. 7083 */ 7084 7085 int error = 0; 7086 struct sctp_inpcb *inp; 7087 7088 inp = (struct sctp_inpcb *)so->so_pcb; 7089 if (inp == NULL) { 7090 /* I made the same as TCP since we are not setup? */ 7091 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7092 return (ECONNRESET); 7093 } 7094 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) { 7095 /* See if we have a listener */ 7096 struct sctp_inpcb *tinp; 7097 union sctp_sockstore store; 7098 7099 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) { 7100 /* not bound all */ 7101 struct sctp_laddr *laddr; 7102 7103 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 7104 memcpy(&store, &laddr->ifa->address, sizeof(store)); 7105 switch (store.sa.sa_family) { 7106 #ifdef INET 7107 case AF_INET: 7108 store.sin.sin_port = inp->sctp_lport; 7109 break; 7110 #endif 7111 #ifdef INET6 7112 case AF_INET6: 7113 store.sin6.sin6_port = inp->sctp_lport; 7114 break; 7115 #endif 7116 default: 7117 break; 7118 } 7119 tinp = sctp_pcb_findep(&store.sa, 0, 0, inp->def_vrf_id); 7120 if (tinp && (tinp != inp) && 7121 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) == 0) && 7122 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 7123 (SCTP_IS_LISTENING(tinp))) { 7124 /* 7125 * we have a listener already and 7126 * its not this inp. 7127 */ 7128 SCTP_INP_DECR_REF(tinp); 7129 return (EADDRINUSE); 7130 } else if (tinp) { 7131 SCTP_INP_DECR_REF(tinp); 7132 } 7133 } 7134 } else { 7135 /* Setup a local addr bound all */ 7136 memset(&store, 0, sizeof(store)); 7137 #ifdef INET6 7138 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) { 7139 store.sa.sa_family = AF_INET6; 7140 store.sa.sa_len = sizeof(struct sockaddr_in6); 7141 } 7142 #endif 7143 #ifdef INET 7144 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) { 7145 store.sa.sa_family = AF_INET; 7146 store.sa.sa_len = sizeof(struct sockaddr_in); 7147 } 7148 #endif 7149 switch (store.sa.sa_family) { 7150 #ifdef INET 7151 case AF_INET: 7152 store.sin.sin_port = inp->sctp_lport; 7153 break; 7154 #endif 7155 #ifdef INET6 7156 case AF_INET6: 7157 store.sin6.sin6_port = inp->sctp_lport; 7158 break; 7159 #endif 7160 default: 7161 break; 7162 } 7163 tinp = sctp_pcb_findep(&store.sa, 0, 0, inp->def_vrf_id); 7164 if (tinp && (tinp != inp) && 7165 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) == 0) && 7166 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) && 7167 (SCTP_IS_LISTENING(tinp))) { 7168 /* 7169 * we have a listener already and its not 7170 * this inp. 7171 */ 7172 SCTP_INP_DECR_REF(tinp); 7173 return (EADDRINUSE); 7174 } else if (tinp) { 7175 SCTP_INP_DECR_REF(tinp); 7176 } 7177 } 7178 } 7179 SCTP_INP_INFO_WLOCK(); 7180 SCTP_INP_WLOCK(inp); 7181 #ifdef SCTP_LOCK_LOGGING 7182 if (SCTP_BASE_SYSCTL(sctp_logging_level) & SCTP_LOCK_LOGGING_ENABLE) { 7183 sctp_log_lock(inp, (struct sctp_tcb *)NULL, SCTP_LOG_LOCK_SOCK); 7184 } 7185 #endif 7186 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) && 7187 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { 7188 /* 7189 * The unlucky case - We are in the tcp pool with this guy. 7190 * - Someone else is in the main inp slot. - We must move 7191 * this guy (the listener) to the main slot - We must then 7192 * move the guy that was listener to the TCP Pool. 7193 */ 7194 if (sctp_swap_inpcb_for_listen(inp)) { 7195 error = EADDRINUSE; 7196 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 7197 goto out; 7198 } 7199 } 7200 SOCK_LOCK(so); 7201 error = solisten_proto_check(so); 7202 if (error) { 7203 SOCK_UNLOCK(so); 7204 goto out; 7205 } 7206 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 7207 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) { 7208 SOCK_UNLOCK(so); 7209 solisten_proto_abort(so); 7210 error = EADDRINUSE; 7211 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 7212 goto out; 7213 } 7214 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) && 7215 ((inp->sctp_flags & SCTP_PCB_FLAGS_WAS_CONNECTED) || 7216 (inp->sctp_flags & SCTP_PCB_FLAGS_WAS_ABORTED))) { 7217 SOCK_UNLOCK(so); 7218 solisten_proto_abort(so); 7219 error = EINVAL; 7220 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); 7221 goto out; 7222 } 7223 if (inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) { 7224 if ((error = sctp_inpcb_bind_locked(inp, NULL, NULL, p))) { 7225 SOCK_UNLOCK(so); 7226 solisten_proto_abort(so); 7227 /* bind error, probably perm */ 7228 goto out; 7229 } 7230 } 7231 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) == 0) { 7232 solisten_proto(so, backlog); 7233 SOCK_UNLOCK(so); 7234 inp->sctp_flags |= SCTP_PCB_FLAGS_ACCEPTING; 7235 } else { 7236 solisten_proto_abort(so); 7237 SOCK_UNLOCK(so); 7238 if (backlog > 0) { 7239 inp->sctp_flags |= SCTP_PCB_FLAGS_ACCEPTING; 7240 } else { 7241 inp->sctp_flags &= ~SCTP_PCB_FLAGS_ACCEPTING; 7242 } 7243 } 7244 out: 7245 SCTP_INP_WUNLOCK(inp); 7246 SCTP_INP_INFO_WUNLOCK(); 7247 return (error); 7248 } 7249 7250 static int sctp_defered_wakeup_cnt = 0; 7251 7252 int 7253 sctp_accept(struct socket *so, struct sockaddr **addr) 7254 { 7255 struct sctp_tcb *stcb; 7256 struct sctp_inpcb *inp; 7257 union sctp_sockstore store; 7258 #ifdef INET6 7259 int error; 7260 #endif 7261 inp = (struct sctp_inpcb *)so->so_pcb; 7262 7263 if (inp == NULL) { 7264 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7265 return (ECONNRESET); 7266 } 7267 SCTP_INP_WLOCK(inp); 7268 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) { 7269 SCTP_INP_WUNLOCK(inp); 7270 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); 7271 return (EOPNOTSUPP); 7272 } 7273 if (so->so_state & SS_ISDISCONNECTED) { 7274 SCTP_INP_WUNLOCK(inp); 7275 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ECONNABORTED); 7276 return (ECONNABORTED); 7277 } 7278 stcb = LIST_FIRST(&inp->sctp_asoc_list); 7279 if (stcb == NULL) { 7280 SCTP_INP_WUNLOCK(inp); 7281 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7282 return (ECONNRESET); 7283 } 7284 SCTP_TCB_LOCK(stcb); 7285 store = stcb->asoc.primary_destination->ro._l_addr; 7286 SCTP_CLEAR_SUBSTATE(stcb, SCTP_STATE_IN_ACCEPT_QUEUE); 7287 /* Wake any delayed sleep action */ 7288 if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { 7289 inp->sctp_flags &= ~SCTP_PCB_FLAGS_DONT_WAKE; 7290 if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEOUTPUT) { 7291 inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEOUTPUT; 7292 SOCKBUF_LOCK(&inp->sctp_socket->so_snd); 7293 if (sowriteable(inp->sctp_socket)) { 7294 sowwakeup_locked(inp->sctp_socket); 7295 } else { 7296 SOCKBUF_UNLOCK(&inp->sctp_socket->so_snd); 7297 } 7298 } 7299 if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEINPUT) { 7300 inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEINPUT; 7301 SOCKBUF_LOCK(&inp->sctp_socket->so_rcv); 7302 if (soreadable(inp->sctp_socket)) { 7303 sctp_defered_wakeup_cnt++; 7304 sorwakeup_locked(inp->sctp_socket); 7305 } else { 7306 SOCKBUF_UNLOCK(&inp->sctp_socket->so_rcv); 7307 } 7308 } 7309 } 7310 SCTP_INP_WUNLOCK(inp); 7311 if (stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) { 7312 sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, 7313 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_19); 7314 } else { 7315 SCTP_TCB_UNLOCK(stcb); 7316 } 7317 switch (store.sa.sa_family) { 7318 #ifdef INET 7319 case AF_INET: 7320 { 7321 struct sockaddr_in *sin; 7322 7323 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 7324 if (sin == NULL) 7325 return (ENOMEM); 7326 sin->sin_family = AF_INET; 7327 sin->sin_len = sizeof(*sin); 7328 sin->sin_port = store.sin.sin_port; 7329 sin->sin_addr = store.sin.sin_addr; 7330 *addr = (struct sockaddr *)sin; 7331 break; 7332 } 7333 #endif 7334 #ifdef INET6 7335 case AF_INET6: 7336 { 7337 struct sockaddr_in6 *sin6; 7338 7339 SCTP_MALLOC_SONAME(sin6, struct sockaddr_in6 *, sizeof *sin6); 7340 if (sin6 == NULL) 7341 return (ENOMEM); 7342 sin6->sin6_family = AF_INET6; 7343 sin6->sin6_len = sizeof(*sin6); 7344 sin6->sin6_port = store.sin6.sin6_port; 7345 sin6->sin6_addr = store.sin6.sin6_addr; 7346 if ((error = sa6_recoverscope(sin6)) != 0) { 7347 SCTP_FREE_SONAME(sin6); 7348 return (error); 7349 } 7350 *addr = (struct sockaddr *)sin6; 7351 break; 7352 } 7353 #endif 7354 default: 7355 /* TSNH */ 7356 break; 7357 } 7358 return (0); 7359 } 7360 7361 #ifdef INET 7362 int 7363 sctp_ingetaddr(struct socket *so, struct sockaddr **addr) 7364 { 7365 struct sockaddr_in *sin; 7366 uint32_t vrf_id; 7367 struct sctp_inpcb *inp; 7368 struct sctp_ifa *sctp_ifa; 7369 7370 /* 7371 * Do the malloc first in case it blocks. 7372 */ 7373 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 7374 if (sin == NULL) 7375 return (ENOMEM); 7376 sin->sin_family = AF_INET; 7377 sin->sin_len = sizeof(*sin); 7378 inp = (struct sctp_inpcb *)so->so_pcb; 7379 if (!inp) { 7380 SCTP_FREE_SONAME(sin); 7381 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7382 return (ECONNRESET); 7383 } 7384 SCTP_INP_RLOCK(inp); 7385 sin->sin_port = inp->sctp_lport; 7386 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) { 7387 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) { 7388 struct sctp_tcb *stcb; 7389 struct sockaddr_in *sin_a; 7390 struct sctp_nets *net; 7391 int fnd; 7392 7393 stcb = LIST_FIRST(&inp->sctp_asoc_list); 7394 if (stcb == NULL) { 7395 goto notConn; 7396 } 7397 fnd = 0; 7398 sin_a = NULL; 7399 SCTP_TCB_LOCK(stcb); 7400 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 7401 sin_a = (struct sockaddr_in *)&net->ro._l_addr; 7402 if (sin_a == NULL) 7403 /* this will make coverity happy */ 7404 continue; 7405 7406 if (sin_a->sin_family == AF_INET) { 7407 fnd = 1; 7408 break; 7409 } 7410 } 7411 if ((!fnd) || (sin_a == NULL)) { 7412 /* punt */ 7413 SCTP_TCB_UNLOCK(stcb); 7414 goto notConn; 7415 } 7416 7417 vrf_id = inp->def_vrf_id; 7418 sctp_ifa = sctp_source_address_selection(inp, 7419 stcb, 7420 (sctp_route_t *)&net->ro, 7421 net, 0, vrf_id); 7422 if (sctp_ifa) { 7423 sin->sin_addr = sctp_ifa->address.sin.sin_addr; 7424 sctp_free_ifa(sctp_ifa); 7425 } 7426 SCTP_TCB_UNLOCK(stcb); 7427 } else { 7428 /* For the bound all case you get back 0 */ 7429 notConn: 7430 sin->sin_addr.s_addr = 0; 7431 } 7432 7433 } else { 7434 /* Take the first IPv4 address in the list */ 7435 struct sctp_laddr *laddr; 7436 int fnd = 0; 7437 7438 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) { 7439 if (laddr->ifa->address.sa.sa_family == AF_INET) { 7440 struct sockaddr_in *sin_a; 7441 7442 sin_a = &laddr->ifa->address.sin; 7443 sin->sin_addr = sin_a->sin_addr; 7444 fnd = 1; 7445 break; 7446 } 7447 } 7448 if (!fnd) { 7449 SCTP_FREE_SONAME(sin); 7450 SCTP_INP_RUNLOCK(inp); 7451 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 7452 return (ENOENT); 7453 } 7454 } 7455 SCTP_INP_RUNLOCK(inp); 7456 (*addr) = (struct sockaddr *)sin; 7457 return (0); 7458 } 7459 7460 int 7461 sctp_peeraddr(struct socket *so, struct sockaddr **addr) 7462 { 7463 struct sockaddr_in *sin; 7464 int fnd; 7465 struct sockaddr_in *sin_a; 7466 struct sctp_inpcb *inp; 7467 struct sctp_tcb *stcb; 7468 struct sctp_nets *net; 7469 7470 /* Do the malloc first in case it blocks. */ 7471 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin); 7472 if (sin == NULL) 7473 return (ENOMEM); 7474 sin->sin_family = AF_INET; 7475 sin->sin_len = sizeof(*sin); 7476 7477 inp = (struct sctp_inpcb *)so->so_pcb; 7478 if ((inp == NULL) || 7479 ((inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) == 0)) { 7480 /* UDP type and listeners will drop out here */ 7481 SCTP_FREE_SONAME(sin); 7482 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN); 7483 return (ENOTCONN); 7484 } 7485 SCTP_INP_RLOCK(inp); 7486 stcb = LIST_FIRST(&inp->sctp_asoc_list); 7487 if (stcb) { 7488 SCTP_TCB_LOCK(stcb); 7489 } 7490 SCTP_INP_RUNLOCK(inp); 7491 if (stcb == NULL) { 7492 SCTP_FREE_SONAME(sin); 7493 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); 7494 return (ECONNRESET); 7495 } 7496 fnd = 0; 7497 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { 7498 sin_a = (struct sockaddr_in *)&net->ro._l_addr; 7499 if (sin_a->sin_family == AF_INET) { 7500 fnd = 1; 7501 sin->sin_port = stcb->rport; 7502 sin->sin_addr = sin_a->sin_addr; 7503 break; 7504 } 7505 } 7506 SCTP_TCB_UNLOCK(stcb); 7507 if (!fnd) { 7508 /* No IPv4 address */ 7509 SCTP_FREE_SONAME(sin); 7510 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); 7511 return (ENOENT); 7512 } 7513 (*addr) = (struct sockaddr *)sin; 7514 return (0); 7515 } 7516 7517 #define SCTP_PROTOSW \ 7518 .pr_protocol = IPPROTO_SCTP, \ 7519 .pr_ctloutput = sctp_ctloutput, \ 7520 .pr_abort = sctp_abort, \ 7521 .pr_accept = sctp_accept, \ 7522 .pr_attach = sctp_attach, \ 7523 .pr_bind = sctp_bind, \ 7524 .pr_connect = sctp_connect, \ 7525 .pr_control = in_control, \ 7526 .pr_close = sctp_close, \ 7527 .pr_detach = sctp_close, \ 7528 .pr_sopoll = sopoll_generic, \ 7529 .pr_flush = sctp_flush, \ 7530 .pr_disconnect = sctp_disconnect, \ 7531 .pr_listen = sctp_listen, \ 7532 .pr_peeraddr = sctp_peeraddr, \ 7533 .pr_send = sctp_sendm, \ 7534 .pr_shutdown = sctp_shutdown, \ 7535 .pr_sockaddr = sctp_ingetaddr, \ 7536 .pr_sosend = sctp_sosend, \ 7537 .pr_soreceive = sctp_soreceive \ 7538 7539 struct protosw sctp_seqpacket_protosw = { 7540 .pr_type = SOCK_SEQPACKET, 7541 .pr_flags = PR_WANTRCVD, 7542 SCTP_PROTOSW 7543 }; 7544 7545 struct protosw sctp_stream_protosw = { 7546 .pr_type = SOCK_STREAM, 7547 .pr_flags = PR_CONNREQUIRED | PR_WANTRCVD, 7548 SCTP_PROTOSW 7549 }; 7550 #endif 7551